398500160

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{21107}}^1$

素因数の和:21183

約数の個数: 56

約数和(自身を含む): 965057760

約数和(自身を除く): 566557600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1180, 1888, 2360, 3776, 4720, 9440, 18880, 21107, 42214, 84428, 105535, 168856, 211070, 337712, 422140, 675424, 844280, 1245313, 1350848, 1688560, 2490626, 3377120, 4981252, 6226565, 6754240, 9962504, 12453130, 19925008, 24906260, 39850016, 49812520, 79700032, 99625040, 199250080, 398500160]

約数ペア:

[(1, 398500160), (2, 199250080), (4, 99625040), (5, 79700032), (8, 49812520), (10, 39850016), (16, 24906260), (20, 19925008), (32, 12453130), (40, 9962504), (59, 6754240), (64, 6226565), (80, 4981252), (118, 3377120), (160, 2490626), (236, 1688560), (295, 1350848), (320, 1245313), (472, 844280), (590, 675424), (944, 422140), (1180, 337712), (1888, 211070), (2360, 168856), (3776, 105535), (4720, 84428), (9440, 42214), (18880, 21107)]