388325625

素因数分解:

$3^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3011

約数の個数: 40

約数和(自身を含む): 656339904

約数和(自身を除く): 268014279

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 625, 1065, 1775, 1875, 2917, 5325, 8751, 8875, 14585, 26625, 43755, 44375, 72925, 133125, 207107, 218775, 364625, 621321, 1035535, 1093875, 1823125, 3106605, 5177675, 5469375, 15533025, 25888375, 77665125, 129441875, 388325625]

約数ペア:

[(1, 388325625), (3, 129441875), (5, 77665125), (15, 25888375), (25, 15533025), (71, 5469375), (75, 5177675), (125, 3106605), (213, 1823125), (355, 1093875), (375, 1035535), (625, 621321), (1065, 364625), (1775, 218775), (1875, 207107), (2917, 133125), (5325, 72925), (8751, 44375), (8875, 43755), (14585, 26625)]