90509210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 180756576

約数和(自身を除く): 90247366

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 131, 242, 262, 571, 605, 655, 1142, 1210, 1310, 1441, 2855, 2882, 5710, 6281, 7205, 12562, 14410, 15851, 31405, 31702, 62810, 69091, 74801, 79255, 138182, 149602, 158510, 345455, 374005, 690910, 748010, 822811, 1645622, 4114055, 8228110, 9050921, 18101842, 45254605, 90509210]

約数ペア:

[(1, 90509210), (2, 45254605), (5, 18101842), (10, 9050921), (11, 8228110), (22, 4114055), (55, 1645622), (110, 822811), (121, 748010), (131, 690910), (242, 374005), (262, 345455), (571, 158510), (605, 149602), (655, 138182), (1142, 79255), (1210, 74801), (1310, 69091), (1441, 62810), (2855, 31702), (2882, 31405), (5710, 15851), (6281, 14410), (7205, 12562)]