724010120

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{70429}}^1$

素因数の和:70697

約数の個数: 32

約数和(自身を含む): 1635384600

約数和(自身を除く): 911374480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 70429, 140858, 281716, 352145, 563432, 704290, 1408580, 2817160, 18100253, 36200506, 72401012, 90501265, 144802024, 181002530, 362005060, 724010120]

約数ペア:

[(1, 724010120), (2, 362005060), (4, 181002530), (5, 144802024), (8, 90501265), (10, 72401012), (20, 36200506), (40, 18100253), (257, 2817160), (514, 1408580), (1028, 704290), (1285, 563432), (2056, 352145), (2570, 281716), (5140, 140858), (10280, 70429)]