131470990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2281

約数の個数: 64

約数和(自身を含む): 289972224

約数和(自身を除く): 158501234

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 70, 74, 115, 161, 185, 230, 259, 322, 370, 518, 805, 851, 1295, 1610, 1702, 2207, 2590, 4255, 4414, 5957, 8510, 11035, 11914, 15449, 22070, 29785, 30898, 50761, 59570, 77245, 81659, 101522, 154490, 163318, 253805, 355327, 408295, 507610, 571613, 710654, 816590, 1143226, 1776635, 1878157, 2858065, 3553270, 3756314, 5716130, 9390785, 13147099, 18781570, 26294198, 65735495, 131470990]

約数ペア:

[(1, 131470990), (2, 65735495), (5, 26294198), (7, 18781570), (10, 13147099), (14, 9390785), (23, 5716130), (35, 3756314), (37, 3553270), (46, 2858065), (70, 1878157), (74, 1776635), (115, 1143226), (161, 816590), (185, 710654), (230, 571613), (259, 507610), (322, 408295), (370, 355327), (518, 253805), (805, 163318), (851, 154490), (1295, 101522), (1610, 81659), (1702, 77245), (2207, 59570), (2590, 50761), (4255, 30898), (4414, 29785), (5957, 22070), (8510, 15449), (11035, 11914)]