240812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 496272

約数和(自身を除く): 255460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 421, 572, 842, 1684, 4631, 5473, 9262, 10946, 18524, 21892, 60203, 120406, 240812]

約数ペア:

[(1, 240812), (2, 120406), (4, 60203), (11, 21892), (13, 18524), (22, 10946), (26, 9262), (44, 5473), (52, 4631), (143, 1684), (286, 842), (421, 572)]