251686890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 192

約数和(自身を含む): 817689600

約数和(自身を除く): 566002710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 79, 90, 91, 105, 117, 126, 130, 158, 182, 195, 210, 234, 237, 273, 315, 389, 390, 395, 455, 474, 546, 553, 585, 630, 711, 778, 790, 819, 910, 1027, 1106, 1167, 1170, 1185, 1365, 1422, 1638, 1659, 1945, 2054, 2334, 2370, 2723, 2730, 2765, 3081, 3318, 3501, 3555, 3890, 4095, 4977, 5057, 5135, 5446, 5530, 5835, 6162, 7002, 7110, 7189, 8169, 8190, 8295, 9243, 9954, 10114, 10270, 11670, 13615, 14378, 15171, 15405, 16338, 16590, 17505, 18486, 21567, 24507, 24885, 25285, 27230, 30342, 30731, 30810, 35010, 35399, 35945, 40845, 43134, 45513, 46215, 49014, 49770, 50570, 61462, 64701, 70798, 71890, 75855, 81690, 91026, 92193, 92430, 106197, 107835, 122535, 129402, 151710, 153655, 176995, 184386, 212394, 215117, 215670, 227565, 245070, 276579, 307310, 318591, 323505, 353990, 399503, 430234, 455130, 460965, 530985, 553158, 637182, 645351, 647010, 799006, 921930, 1061970, 1075585, 1198509, 1290702, 1382895, 1592955, 1936053, 1997515, 2151170, 2397018, 2765790, 2796521, 3185910, 3226755, 3595527, 3872106, 3995030, 5593042, 5992545, 6453510, 7191054, 8389563, 9680265, 11985090, 13982605, 16779126, 17977635, 19360530, 25168689, 27965210, 35955270, 41947815, 50337378, 83895630, 125843445, 251686890]

約数ペア:

[(1, 251686890), (2, 125843445), (3, 83895630), (5, 50337378), (6, 41947815), (7, 35955270), (9, 27965210), (10, 25168689), (13, 19360530), (14, 17977635), (15, 16779126), (18, 13982605), (21, 11985090), (26, 9680265), (30, 8389563), (35, 7191054), (39, 6453510), (42, 5992545), (45, 5593042), (63, 3995030), (65, 3872106), (70, 3595527), (78, 3226755), (79, 3185910), (90, 2796521), (91, 2765790), (105, 2397018), (117, 2151170), (126, 1997515), (130, 1936053), (158, 1592955), (182, 1382895), (195, 1290702), (210, 1198509), (234, 1075585), (237, 1061970), (273, 921930), (315, 799006), (389, 647010), (390, 645351), (395, 637182), (455, 553158), (474, 530985), (546, 460965), (553, 455130), (585, 430234), (630, 399503), (711, 353990), (778, 323505), (790, 318591), (819, 307310), (910, 276579), (1027, 245070), (1106, 227565), (1167, 215670), (1170, 215117), (1185, 212394), (1365, 184386), (1422, 176995), (1638, 153655), (1659, 151710), (1945, 129402), (2054, 122535), (2334, 107835), (2370, 106197), (2723, 92430), (2730, 92193), (2765, 91026), (3081, 81690), (3318, 75855), (3501, 71890), (3555, 70798), (3890, 64701), (4095, 61462), (4977, 50570), (5057, 49770), (5135, 49014), (5446, 46215), (5530, 45513), (5835, 43134), (6162, 40845), (7002, 35945), (7110, 35399), (7189, 35010), (8169, 30810), (8190, 30731), (8295, 30342), (9243, 27230), (9954, 25285), (10114, 24885), (10270, 24507), (11670, 21567), (13615, 18486), (14378, 17505), (15171, 16590), (15405, 16338)]