90185875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 134184960

約数和(自身を除く): 43999085

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 125, 127, 247, 299, 325, 437, 475, 575, 635, 1235, 1495, 1625, 1651, 2185, 2375, 2413, 2875, 2921, 3175, 5681, 6175, 7475, 8255, 10925, 12065, 14605, 15875, 28405, 30875, 31369, 37375, 37973, 41275, 54625, 55499, 60325, 73025, 142025, 156845, 189865, 206375, 277495, 301625, 365125, 710125, 721487, 784225, 949325, 1387475, 3607435, 3921125, 4746625, 6937375, 18037175, 90185875]

約数ペア:

[(1, 90185875), (5, 18037175), (13, 6937375), (19, 4746625), (23, 3921125), (25, 3607435), (65, 1387475), (95, 949325), (115, 784225), (125, 721487), (127, 710125), (247, 365125), (299, 301625), (325, 277495), (437, 206375), (475, 189865), (575, 156845), (635, 142025), (1235, 73025), (1495, 60325), (1625, 55499), (1651, 54625), (2185, 41275), (2375, 37973), (2413, 37375), (2875, 31369), (2921, 30875), (3175, 28405), (5681, 15875), (6175, 14605), (7475, 12065), (8255, 10925)]