420642772025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1\times {\mathrm{2531}}^1$

素因数の和:2991

約数の個数: 96

約数和(自身を含む): 628619194368

約数和(自身を除く): 207976422343

約数列:

[1, 5, 7, 23, 25, 35, 115, 157, 161, 175, 263, 575, 785, 805, 1099, 1315, 1841, 2531, 3611, 3925, 4025, 5495, 6049, 6575, 9205, 12655, 17717, 18055, 25277, 27475, 30245, 41291, 42343, 46025, 58213, 63275, 88585, 90275, 126385, 151225, 206455, 211715, 289037, 291065, 397367, 407491, 442925, 631925, 665653, 949693, 1032275, 1058575, 1445185, 1455325, 1986835, 2037455, 2781569, 3328265, 4659571, 4748465, 6647851, 7225925, 9139441, 9934175, 10187275, 13907845, 15310019, 16641325, 23297855, 23742325, 33239255, 45697205, 63976087, 69539225, 76550095, 104507521, 107170133, 116489275, 166196275, 228486025, 319880435, 382750475, 522537605, 535850665, 731552647, 1599402175, 2403672983, 2612688025, 2679253325, 3657763235, 12018364915, 16825710881, 18288816175, 60091824575, 84128554405, 420642772025]

約数ペア:

[(1, 420642772025), (5, 84128554405), (7, 60091824575), (23, 18288816175), (25, 16825710881), (35, 12018364915), (115, 3657763235), (157, 2679253325), (161, 2612688025), (175, 2403672983), (263, 1599402175), (575, 731552647), (785, 535850665), (805, 522537605), (1099, 382750475), (1315, 319880435), (1841, 228486025), (2531, 166196275), (3611, 116489275), (3925, 107170133), (4025, 104507521), (5495, 76550095), (6049, 69539225), (6575, 63976087), (9205, 45697205), (12655, 33239255), (17717, 23742325), (18055, 23297855), (25277, 16641325), (27475, 15310019), (30245, 13907845), (41291, 10187275), (42343, 9934175), (46025, 9139441), (58213, 7225925), (63275, 6647851), (88585, 4748465), (90275, 4659571), (126385, 3328265), (151225, 2781569), (206455, 2037455), (211715, 1986835), (289037, 1455325), (291065, 1445185), (397367, 1058575), (407491, 1032275), (442925, 949693), (631925, 665653)]