1424440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 3240000

約数和(自身を除く): 1815560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 239, 298, 478, 596, 745, 956, 1192, 1195, 1490, 1912, 2390, 2980, 4780, 5960, 9560, 35611, 71222, 142444, 178055, 284888, 356110, 712220, 1424440]

約数ペア:

[(1, 1424440), (2, 712220), (4, 356110), (5, 284888), (8, 178055), (10, 142444), (20, 71222), (40, 35611), (149, 9560), (239, 5960), (298, 4780), (478, 2980), (596, 2390), (745, 1912), (956, 1490), (1192, 1195)]