1427720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5099}}^1$

素因数の和:5117

約数の個数: 32

約数和(自身を含む): 3672000

約数和(自身を除く): 2244280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5099, 10198, 20396, 25495, 35693, 40792, 50990, 71386, 101980, 142772, 178465, 203960, 285544, 356930, 713860, 1427720]

約数ペア:

[(1, 1427720), (2, 713860), (4, 356930), (5, 285544), (7, 203960), (8, 178465), (10, 142772), (14, 101980), (20, 71386), (28, 50990), (35, 40792), (40, 35693), (56, 25495), (70, 20396), (140, 10198), (280, 5099)]