200454820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13711}}^1$

素因数の和:13780

約数の個数: 48

約数和(自身を含む): 456115968

約数和(自身を除く): 255661148

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, 13711, 14620, 27422, 54844, 68555, 137110, 233087, 274220, 466174, 589573, 932348, 1165435, 1179146, 2330870, 2358292, 2947865, 4661740, 5895730, 10022741, 11791460, 20045482, 40090964, 50113705, 100227410, 200454820]

約数ペア:

[(1, 200454820), (2, 100227410), (4, 50113705), (5, 40090964), (10, 20045482), (17, 11791460), (20, 10022741), (34, 5895730), (43, 4661740), (68, 2947865), (85, 2358292), (86, 2330870), (170, 1179146), (172, 1165435), (215, 932348), (340, 589573), (430, 466174), (731, 274220), (860, 233087), (1462, 137110), (2924, 68555), (3655, 54844), (7310, 27422), (13711, 14620)]