208528740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:842

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 517957020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 359, 420, 461, 630, 718, 922, 1077, 1260, 1383, 1436, 1795, 1844, 2154, 2305, 2513, 2766, 3227, 3231, 3590, 4149, 4308, 4610, 5026, 5385, 5532, 6454, 6462, 6915, 7180, 7539, 8298, 9220, 9681, 10052, 10770, 12565, 12908, 12924, 13830, 15078, 16135, 16155, 16596, 19362, 20745, 21540, 22617, 25130, 27660, 29043, 30156, 32270, 32310, 37695, 38724, 41490, 45234, 48405, 50260, 58086, 64540, 64620, 75390, 82980, 90468, 96810, 113085, 116172, 145215, 150780, 165499, 193620, 226170, 290430, 330998, 452340, 496497, 580860, 661996, 827495, 992994, 1158493, 1489491, 1654990, 1985988, 2316986, 2482485, 2978982, 3309980, 3475479, 4633972, 4964970, 5792465, 5957964, 6950958, 7447455, 9929940, 10426437, 11584930, 13901916, 14894910, 17377395, 20852874, 23169860, 29789820, 34754790, 41705748, 52132185, 69509580, 104264370, 208528740]

約数ペア:

[(1, 208528740), (2, 104264370), (3, 69509580), (4, 52132185), (5, 41705748), (6, 34754790), (7, 29789820), (9, 23169860), (10, 20852874), (12, 17377395), (14, 14894910), (15, 13901916), (18, 11584930), (20, 10426437), (21, 9929940), (28, 7447455), (30, 6950958), (35, 5957964), (36, 5792465), (42, 4964970), (45, 4633972), (60, 3475479), (63, 3309980), (70, 2978982), (84, 2482485), (90, 2316986), (105, 1985988), (126, 1654990), (140, 1489491), (180, 1158493), (210, 992994), (252, 827495), (315, 661996), (359, 580860), (420, 496497), (461, 452340), (630, 330998), (718, 290430), (922, 226170), (1077, 193620), (1260, 165499), (1383, 150780), (1436, 145215), (1795, 116172), (1844, 113085), (2154, 96810), (2305, 90468), (2513, 82980), (2766, 75390), (3227, 64620), (3231, 64540), (3590, 58086), (4149, 50260), (4308, 48405), (4610, 45234), (5026, 41490), (5385, 38724), (5532, 37695), (6454, 32310), (6462, 32270), (6915, 30156), (7180, 29043), (7539, 27660), (8298, 25130), (9220, 22617), (9681, 21540), (10052, 20745), (10770, 19362), (12565, 16596), (12908, 16155), (12924, 16135), (13830, 15078)]