68485450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 139812480

約数和(自身を除く): 71327030

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 239, 275, 478, 521, 550, 1042, 1195, 2390, 2605, 2629, 5210, 5258, 5731, 5975, 11462, 11950, 13025, 13145, 26050, 26290, 28655, 57310, 65725, 124519, 131450, 143275, 249038, 286550, 622595, 1245190, 1369709, 2739418, 3112975, 6225950, 6848545, 13697090, 34242725, 68485450]

約数ペア:

[(1, 68485450), (2, 34242725), (5, 13697090), (10, 6848545), (11, 6225950), (22, 3112975), (25, 2739418), (50, 1369709), (55, 1245190), (110, 622595), (239, 286550), (275, 249038), (478, 143275), (521, 131450), (550, 124519), (1042, 65725), (1195, 57310), (2390, 28655), (2605, 26290), (2629, 26050), (5210, 13145), (5258, 13025), (5731, 11950), (5975, 11462)]