203931567460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1\times {\mathrm{397729}}^1$

素因数の和:398596

約数の個数: 48

約数和(自身を含む): 442606671360

約数和(自身を除く): 238675103900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 827, 1654, 3308, 4135, 8270, 16540, 25637, 51274, 102548, 128185, 256370, 397729, 512740, 795458, 1590916, 1988645, 3977290, 7954580, 12329599, 24659198, 49318396, 61647995, 123295990, 246591980, 328921883, 657843766, 1315687532, 1644609415, 3289218830, 6578437660, 10196578373, 20393156746, 40786313492, 50982891865, 101965783730, 203931567460]

約数ペア:

[(1, 203931567460), (2, 101965783730), (4, 50982891865), (5, 40786313492), (10, 20393156746), (20, 10196578373), (31, 6578437660), (62, 3289218830), (124, 1644609415), (155, 1315687532), (310, 657843766), (620, 328921883), (827, 246591980), (1654, 123295990), (3308, 61647995), (4135, 49318396), (8270, 24659198), (16540, 12329599), (25637, 7954580), (51274, 3977290), (102548, 1988645), (128185, 1590916), (256370, 795458), (397729, 512740)]