400212540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 288

約数和(自身を含む): 1525620096

約数和(自身を除く): 1125407556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 53, 60, 63, 65, 70, 78, 84, 90, 91, 105, 106, 117, 126, 130, 140, 156, 159, 180, 182, 195, 210, 212, 234, 252, 260, 265, 273, 315, 318, 364, 371, 390, 420, 455, 461, 468, 477, 530, 546, 585, 630, 636, 689, 742, 780, 795, 819, 910, 922, 954, 1060, 1092, 1113, 1170, 1260, 1365, 1378, 1383, 1484, 1590, 1638, 1820, 1844, 1855, 1908, 2067, 2226, 2305, 2340, 2385, 2730, 2756, 2766, 3180, 3227, 3276, 3339, 3445, 3710, 4095, 4134, 4149, 4452, 4610, 4770, 4823, 5460, 5532, 5565, 5993, 6201, 6454, 6678, 6890, 6915, 7420, 8190, 8268, 8298, 9220, 9540, 9646, 9681, 10335, 11130, 11986, 12402, 12908, 13356, 13780, 13830, 14469, 16135, 16380, 16596, 16695, 17979, 19292, 19362, 20670, 20745, 22260, 23972, 24115, 24433, 24804, 27660, 28938, 29043, 29965, 31005, 32270, 33390, 35958, 38724, 41340, 41490, 41951, 43407, 48230, 48405, 48866, 53937, 57876, 58086, 59930, 62010, 64540, 66780, 71916, 72345, 73299, 82980, 83902, 86814, 89895, 96460, 96810, 97732, 107874, 116172, 119860, 122165, 124020, 125853, 144690, 145215, 146598, 167804, 171031, 173628, 179790, 193620, 209755, 215748, 217035, 219897, 244330, 251706, 269685, 289380, 290430, 293196, 317629, 342062, 359580, 366495, 377559, 419510, 434070, 439794, 488660, 503412, 513093, 539370, 580860, 629265, 635258, 684124, 732990, 755118, 839020, 855155, 868140, 879588, 952887, 1026186, 1078740, 1099485, 1258530, 1270516, 1465980, 1510236, 1539279, 1588145, 1710310, 1887795, 1905774, 2052372, 2198970, 2223403, 2517060, 2565465, 2858661, 3078558, 3176290, 3420620, 3775590, 3811548, 4397940, 4446806, 4764435, 5130930, 5717322, 6157116, 6352580, 6670209, 7551180, 7696395, 8893612, 9528870, 10261860, 11117015, 11434644, 13340418, 14293305, 15392790, 19057740, 20010627, 22234030, 26680836, 28586610, 30785580, 33351045, 40021254, 44468060, 57173220, 66702090, 80042508, 100053135, 133404180, 200106270, 400212540]

約数ペア:

[(1, 400212540), (2, 200106270), (3, 133404180), (4, 100053135), (5, 80042508), (6, 66702090), (7, 57173220), (9, 44468060), (10, 40021254), (12, 33351045), (13, 30785580), (14, 28586610), (15, 26680836), (18, 22234030), (20, 20010627), (21, 19057740), (26, 15392790), (28, 14293305), (30, 13340418), (35, 11434644), (36, 11117015), (39, 10261860), (42, 9528870), (45, 8893612), (52, 7696395), (53, 7551180), (60, 6670209), (63, 6352580), (65, 6157116), (70, 5717322), (78, 5130930), (84, 4764435), (90, 4446806), (91, 4397940), (105, 3811548), (106, 3775590), (117, 3420620), (126, 3176290), (130, 3078558), (140, 2858661), (156, 2565465), (159, 2517060), (180, 2223403), (182, 2198970), (195, 2052372), (210, 1905774), (212, 1887795), (234, 1710310), (252, 1588145), (260, 1539279), (265, 1510236), (273, 1465980), (315, 1270516), (318, 1258530), (364, 1099485), (371, 1078740), (390, 1026186), (420, 952887), (455, 879588), (461, 868140), (468, 855155), (477, 839020), (530, 755118), (546, 732990), (585, 684124), (630, 635258), (636, 629265), (689, 580860), (742, 539370), (780, 513093), (795, 503412), (819, 488660), (910, 439794), (922, 434070), (954, 419510), (1060, 377559), (1092, 366495), (1113, 359580), (1170, 342062), (1260, 317629), (1365, 293196), (1378, 290430), (1383, 289380), (1484, 269685), (1590, 251706), (1638, 244330), (1820, 219897), (1844, 217035), (1855, 215748), (1908, 209755), (2067, 193620), (2226, 179790), (2305, 173628), (2340, 171031), (2385, 167804), (2730, 146598), (2756, 145215), (2766, 144690), (3180, 125853), (3227, 124020), (3276, 122165), (3339, 119860), (3445, 116172), (3710, 107874), (4095, 97732), (4134, 96810), (4149, 96460), (4452, 89895), (4610, 86814), (4770, 83902), (4823, 82980), (5460, 73299), (5532, 72345), (5565, 71916), (5993, 66780), (6201, 64540), (6454, 62010), (6678, 59930), (6890, 58086), (6915, 57876), (7420, 53937), (8190, 48866), (8268, 48405), (8298, 48230), (9220, 43407), (9540, 41951), (9646, 41490), (9681, 41340), (10335, 38724), (11130, 35958), (11986, 33390), (12402, 32270), (12908, 31005), (13356, 29965), (13780, 29043), (13830, 28938), (14469, 27660), (16135, 24804), (16380, 24433), (16596, 24115), (16695, 23972), (17979, 22260), (19292, 20745), (19362, 20670)]