2945007280

素因数分解:

$2^4\times 5^1\times {\mathrm{4909}}^1\times {\mathrm{7499}}^1$

素因数の和:12421

約数の個数: 40

約数和(自身を含む): 6849450000

約数和(自身を除く): 3904442720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4909, 7499, 9818, 14998, 19636, 24545, 29996, 37495, 39272, 49090, 59992, 74990, 78544, 98180, 119984, 149980, 196360, 299960, 392720, 599920, 36812591, 73625182, 147250364, 184062955, 294500728, 368125910, 589001456, 736251820, 1472503640, 2945007280]

約数ペア:

[(1, 2945007280), (2, 1472503640), (4, 736251820), (5, 589001456), (8, 368125910), (10, 294500728), (16, 184062955), (20, 147250364), (40, 73625182), (80, 36812591), (4909, 599920), (7499, 392720), (9818, 299960), (14998, 196360), (19636, 149980), (24545, 119984), (29996, 98180), (37495, 78544), (39272, 74990), (49090, 59992)]