858690625

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 1207422720

約数和(自身を除く): 348732095

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 625, 919, 1495, 1625, 2875, 3125, 4595, 7475, 8125, 11947, 14375, 21137, 22975, 37375, 40625, 59735, 71875, 105685, 114875, 186875, 274781, 298675, 528425, 574375, 934375, 1373905, 1493375, 2642125, 2871875, 6869525, 7466875, 13210625, 34347625, 37334375, 66053125, 171738125, 858690625]

約数ペア:

[(1, 858690625), (5, 171738125), (13, 66053125), (23, 37334375), (25, 34347625), (65, 13210625), (115, 7466875), (125, 6869525), (299, 2871875), (325, 2642125), (575, 1493375), (625, 1373905), (919, 934375), (1495, 574375), (1625, 528425), (2875, 298675), (3125, 274781), (4595, 186875), (7475, 114875), (8125, 105685), (11947, 71875), (14375, 59735), (21137, 40625), (22975, 37375)]