739440140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1\times {\mathrm{1229}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 1580796000

約数和(自身を除く): 841355860

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 449, 670, 898, 1229, 1340, 1796, 2245, 2458, 4490, 4916, 6145, 8980, 12290, 24580, 30083, 60166, 82343, 120332, 150415, 164686, 300830, 329372, 411715, 551821, 601660, 823430, 1103642, 1646860, 2207284, 2759105, 5518210, 11036420, 36972007, 73944014, 147888028, 184860035, 369720070, 739440140]

約数ペア:

[(1, 739440140), (2, 369720070), (4, 184860035), (5, 147888028), (10, 73944014), (20, 36972007), (67, 11036420), (134, 5518210), (268, 2759105), (335, 2207284), (449, 1646860), (670, 1103642), (898, 823430), (1229, 601660), (1340, 551821), (1796, 411715), (2245, 329372), (2458, 300830), (4490, 164686), (4916, 150415), (6145, 120332), (8980, 82343), (12290, 60166), (24580, 30083)]