189850625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 253718784

約数和(自身を除く): 63868159

約数列:

[1, 5, 23, 25, 47, 115, 125, 235, 281, 575, 625, 1081, 1175, 1405, 2875, 5405, 5875, 6463, 7025, 13207, 14375, 27025, 29375, 32315, 35125, 66035, 135125, 161575, 175625, 303761, 330175, 675625, 807875, 1518805, 1650875, 4039375, 7594025, 8254375, 37970125, 189850625]

約数ペア:

[(1, 189850625), (5, 37970125), (23, 8254375), (25, 7594025), (47, 4039375), (115, 1650875), (125, 1518805), (235, 807875), (281, 675625), (575, 330175), (625, 303761), (1081, 175625), (1175, 161575), (1405, 135125), (2875, 66035), (5405, 35125), (5875, 32315), (6463, 29375), (7025, 27025), (13207, 14375)]