168407780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{11519}}^1$

素因数の和:11588

約数の個数: 48

約数和(自身を含む): 383201280

約数和(自身を除く): 214793500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 11519, 14620, 23038, 46076, 57595, 115190, 195823, 230380, 391646, 495317, 783292, 979115, 990634, 1958230, 1981268, 2476585, 3916460, 4953170, 8420389, 9906340, 16840778, 33681556, 42101945, 84203890, 168407780]

約数ペア:

[(1, 168407780), (2, 84203890), (4, 42101945), (5, 33681556), (10, 16840778), (17, 9906340), (20, 8420389), (34, 4953170), (43, 3916460), (68, 2476585), (85, 1981268), (86, 1958230), (170, 990634), (172, 979115), (215, 783292), (340, 495317), (430, 391646), (731, 230380), (860, 195823), (1462, 115190), (2924, 57595), (3655, 46076), (7310, 23038), (11519, 14620)]