263972390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 524860560

約数和(自身を除く): 260888170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 269, 538, 605, 811, 1210, 1345, 1622, 2690, 2959, 4055, 5918, 8110, 8921, 14795, 17842, 29590, 32549, 44605, 65098, 89210, 98131, 162745, 196262, 218159, 325490, 436318, 490655, 981310, 1090795, 2181590, 2399749, 4799498, 11998745, 23997490, 26397239, 52794478, 131986195, 263972390]

約数ペア:

[(1, 263972390), (2, 131986195), (5, 52794478), (10, 26397239), (11, 23997490), (22, 11998745), (55, 4799498), (110, 2399749), (121, 2181590), (242, 1090795), (269, 981310), (538, 490655), (605, 436318), (811, 325490), (1210, 218159), (1345, 196262), (1622, 162745), (2690, 98131), (2959, 89210), (4055, 65098), (5918, 44605), (8110, 32549), (8921, 29590), (14795, 17842)]