317900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:59

約数の個数: 54

約数和(自身を含む): 799428

約数和(自身を除く): 481528

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 289, 340, 374, 425, 550, 578, 748, 850, 935, 1100, 1156, 1445, 1700, 1870, 2890, 3179, 3740, 4675, 5780, 6358, 7225, 9350, 12716, 14450, 15895, 18700, 28900, 31790, 63580, 79475, 158950, 317900]

約数ペア:

[(1, 317900), (2, 158950), (4, 79475), (5, 63580), (10, 31790), (11, 28900), (17, 18700), (20, 15895), (22, 14450), (25, 12716), (34, 9350), (44, 7225), (50, 6358), (55, 5780), (68, 4675), (85, 3740), (100, 3179), (110, 2890), (170, 1870), (187, 1700), (220, 1445), (275, 1156), (289, 1100), (340, 935), (374, 850), (425, 748), (550, 578)]