71714740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4603}}^1$

素因数の和:4672

約数の個数: 48

約数和(自身を含む): 162429120

約数和(自身を除く): 90714380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4603, 7790, 9206, 15580, 18412, 23015, 46030, 87457, 92060, 174914, 188723, 349828, 377446, 437285, 754892, 874570, 943615, 1749140, 1887230, 3585737, 3774460, 7171474, 14342948, 17928685, 35857370, 71714740]

約数ペア:

[(1, 71714740), (2, 35857370), (4, 17928685), (5, 14342948), (10, 7171474), (19, 3774460), (20, 3585737), (38, 1887230), (41, 1749140), (76, 943615), (82, 874570), (95, 754892), (164, 437285), (190, 377446), (205, 349828), (380, 188723), (410, 174914), (779, 92060), (820, 87457), (1558, 46030), (3116, 23015), (3895, 18412), (4603, 15580), (7790, 9206)]