131411420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1179

約数の個数: 96

約数和(自身を含む): 338300928

約数和(自身を除く): 206889508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 230, 259, 322, 370, 460, 518, 644, 740, 805, 851, 1036, 1103, 1295, 1610, 1702, 2206, 2590, 3220, 3404, 4255, 4412, 5180, 5515, 5957, 7721, 8510, 11030, 11914, 15442, 17020, 22060, 23828, 25369, 29785, 30884, 38605, 40811, 50738, 59570, 77210, 81622, 101476, 119140, 126845, 154420, 163244, 177583, 204055, 253690, 285677, 355166, 408110, 507380, 571354, 710332, 816220, 887915, 938653, 1142708, 1428385, 1775830, 1877306, 2856770, 3551660, 3754612, 4693265, 5713540, 6570571, 9386530, 13141142, 18773060, 26282284, 32852855, 65705710, 131411420]

約数ペア:

[(1, 131411420), (2, 65705710), (4, 32852855), (5, 26282284), (7, 18773060), (10, 13141142), (14, 9386530), (20, 6570571), (23, 5713540), (28, 4693265), (35, 3754612), (37, 3551660), (46, 2856770), (70, 1877306), (74, 1775830), (92, 1428385), (115, 1142708), (140, 938653), (148, 887915), (161, 816220), (185, 710332), (230, 571354), (259, 507380), (322, 408110), (370, 355166), (460, 285677), (518, 253690), (644, 204055), (740, 177583), (805, 163244), (851, 154420), (1036, 126845), (1103, 119140), (1295, 101476), (1610, 81622), (1702, 77210), (2206, 59570), (2590, 50738), (3220, 40811), (3404, 38605), (4255, 30884), (4412, 29785), (5180, 25369), (5515, 23828), (5957, 22060), (7721, 17020), (8510, 15442), (11030, 11914)]