127839910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2521}}^1$

素因数の和:3000

約数の個数: 32

約数和(自身を含む): 251675424

約数和(自身を除く): 123835514

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 461, 922, 2305, 2521, 4610, 5042, 5071, 10142, 12605, 25210, 25355, 27731, 50710, 55462, 138655, 277310, 1162181, 2324362, 5810905, 11621810, 12783991, 25567982, 63919955, 127839910]

約数ペア:

[(1, 127839910), (2, 63919955), (5, 25567982), (10, 12783991), (11, 11621810), (22, 5810905), (55, 2324362), (110, 1162181), (461, 277310), (922, 138655), (2305, 55462), (2521, 50710), (4610, 27731), (5042, 25355), (5071, 25210), (10142, 12605)]