98685680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 245073600

約数和(自身を除く): 146387920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 487, 596, 680, 745, 974, 1192, 1360, 1490, 1948, 2384, 2435, 2533, 2980, 3896, 4870, 5066, 5960, 7792, 8279, 9740, 10132, 11920, 12665, 16558, 19480, 20264, 25330, 33116, 38960, 40528, 41395, 50660, 66232, 72563, 82790, 101320, 132464, 145126, 165580, 202640, 290252, 331160, 362815, 580504, 662320, 725630, 1161008, 1233571, 1451260, 2467142, 2902520, 4934284, 5805040, 6167855, 9868568, 12335710, 19737136, 24671420, 49342840, 98685680]

約数ペア:

[(1, 98685680), (2, 49342840), (4, 24671420), (5, 19737136), (8, 12335710), (10, 9868568), (16, 6167855), (17, 5805040), (20, 4934284), (34, 2902520), (40, 2467142), (68, 1451260), (80, 1233571), (85, 1161008), (136, 725630), (149, 662320), (170, 580504), (272, 362815), (298, 331160), (340, 290252), (487, 202640), (596, 165580), (680, 145126), (745, 132464), (974, 101320), (1192, 82790), (1360, 72563), (1490, 66232), (1948, 50660), (2384, 41395), (2435, 40528), (2533, 38960), (2980, 33116), (3896, 25330), (4870, 20264), (5066, 19480), (5960, 16558), (7792, 12665), (8279, 11920), (9740, 10132)]