28408700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{983}}^1$

素因数の和:1031

約数の個数: 54

約数和(自身を含む): 65553096

約数和(自身を除く): 37144396

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 983, 1156, 1445, 1700, 1966, 2890, 3932, 4915, 5780, 7225, 9830, 14450, 16711, 19660, 24575, 28900, 33422, 49150, 66844, 83555, 98300, 167110, 284087, 334220, 417775, 568174, 835550, 1136348, 1420435, 1671100, 2840870, 5681740, 7102175, 14204350, 28408700]

約数ペア:

[(1, 28408700), (2, 14204350), (4, 7102175), (5, 5681740), (10, 2840870), (17, 1671100), (20, 1420435), (25, 1136348), (34, 835550), (50, 568174), (68, 417775), (85, 334220), (100, 284087), (170, 167110), (289, 98300), (340, 83555), (425, 66844), (578, 49150), (850, 33422), (983, 28900), (1156, 24575), (1445, 19660), (1700, 16711), (1966, 14450), (2890, 9830), (3932, 7225), (4915, 5780)]