394403425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2777}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 578712960

約数和(自身を除く): 184309535

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 437, 475, 575, 1235, 1495, 2185, 2777, 5681, 6175, 7475, 10925, 13885, 28405, 36101, 52763, 63871, 69425, 142025, 180505, 263815, 319355, 685919, 830323, 902525, 1213549, 1319075, 1596775, 3429595, 4151615, 6067745, 15776137, 17147975, 20758075, 30338725, 78880685, 394403425]

約数ペア:

[(1, 394403425), (5, 78880685), (13, 30338725), (19, 20758075), (23, 17147975), (25, 15776137), (65, 6067745), (95, 4151615), (115, 3429595), (247, 1596775), (299, 1319075), (325, 1213549), (437, 902525), (475, 830323), (575, 685919), (1235, 319355), (1495, 263815), (2185, 180505), (2777, 142025), (5681, 69425), (6175, 63871), (7475, 52763), (10925, 36101), (13885, 28405)]