917755880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31387}}^1$

素因数の和:31458

約数の個数: 64

約数和(自身を含む): 2237336640

約数和(自身を除く): 1319580760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7310, 14620, 29240, 31387, 62774, 125548, 156935, 251096, 313870, 533579, 627740, 1067158, 1255480, 1349641, 2134316, 2667895, 2699282, 4268632, 5335790, 5398564, 6748205, 10671580, 10797128, 13496410, 21343160, 22943897, 26992820, 45887794, 53985640, 91775588, 114719485, 183551176, 229438970, 458877940, 917755880]

約数ペア:

[(1, 917755880), (2, 458877940), (4, 229438970), (5, 183551176), (8, 114719485), (10, 91775588), (17, 53985640), (20, 45887794), (34, 26992820), (40, 22943897), (43, 21343160), (68, 13496410), (85, 10797128), (86, 10671580), (136, 6748205), (170, 5398564), (172, 5335790), (215, 4268632), (340, 2699282), (344, 2667895), (430, 2134316), (680, 1349641), (731, 1255480), (860, 1067158), (1462, 627740), (1720, 533579), (2924, 313870), (3655, 251096), (5848, 156935), (7310, 125548), (14620, 62774), (29240, 31387)]