400737530

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 728550720

約数和(自身を除く): 327813190

約数列:

[1, 2, 5, 10, 211, 257, 422, 514, 739, 1055, 1285, 1478, 2110, 2570, 3695, 7390, 54227, 108454, 155929, 189923, 271135, 311858, 379846, 542270, 779645, 949615, 1559290, 1899230, 40073753, 80147506, 200368765, 400737530]

約数ペア:

[(1, 400737530), (2, 200368765), (5, 80147506), (10, 40073753), (211, 1899230), (257, 1559290), (422, 949615), (514, 779645), (739, 542270), (1055, 379846), (1285, 311858), (1478, 271135), (2110, 189923), (2570, 155929), (3695, 108454), (7390, 54227)]