71386990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2099}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 64693010

約数列:

[1, 2, 5, 10, 19, 38, 95, 179, 190, 358, 895, 1790, 2099, 3401, 4198, 6802, 10495, 17005, 20990, 34010, 39881, 79762, 199405, 375721, 398810, 751442, 1878605, 3757210, 7138699, 14277398, 35693495, 71386990]

約数ペア:

[(1, 71386990), (2, 35693495), (5, 14277398), (10, 7138699), (19, 3757210), (38, 1878605), (95, 751442), (179, 398810), (190, 375721), (358, 199405), (895, 79762), (1790, 39881), (2099, 34010), (3401, 20990), (4198, 17005), (6802, 10495)]