3886221580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1\times {\mathrm{1459}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 8256860640

約数和(自身を除く): 4370639060

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1373, 1459, 1940, 2746, 2918, 5492, 5836, 6865, 7295, 13730, 14590, 27460, 29180, 133181, 141523, 266362, 283046, 532724, 566092, 665905, 707615, 1331810, 1415230, 2003207, 2663620, 2830460, 4006414, 8012828, 10016035, 20032070, 40064140, 194311079, 388622158, 777244316, 971555395, 1943110790, 3886221580]

約数ペア:

[(1, 3886221580), (2, 1943110790), (4, 971555395), (5, 777244316), (10, 388622158), (20, 194311079), (97, 40064140), (194, 20032070), (388, 10016035), (485, 8012828), (970, 4006414), (1373, 2830460), (1459, 2663620), (1940, 2003207), (2746, 1415230), (2918, 1331810), (5492, 707615), (5836, 665905), (6865, 566092), (7295, 532724), (13730, 283046), (14590, 266362), (27460, 141523), (29180, 133181)]