518389625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2141}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 701719200

約数和(自身を除く): 183329575

約数列:

[1, 5, 13, 25, 65, 125, 149, 325, 745, 1625, 1937, 2141, 3725, 9685, 10705, 18625, 27833, 48425, 53525, 139165, 242125, 267625, 319009, 695825, 1595045, 3479125, 4147117, 7975225, 20735585, 39876125, 103677925, 518389625]

約数ペア:

[(1, 518389625), (5, 103677925), (13, 39876125), (25, 20735585), (65, 7975225), (125, 4147117), (149, 3479125), (325, 1595045), (745, 695825), (1625, 319009), (1937, 267625), (2141, 242125), (3725, 139165), (9685, 53525), (10705, 48425), (18625, 27833)]