248839220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1777423}}^1$

素因数の和:1777439

約数の個数: 24

約数和(自身を含む): 597214464

約数和(自身を除く): 348375244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1777423, 3554846, 7109692, 8887115, 12441961, 17774230, 24883922, 35548460, 49767844, 62209805, 124419610, 248839220]

約数ペア:

[(1, 248839220), (2, 124419610), (4, 62209805), (5, 49767844), (7, 35548460), (10, 24883922), (14, 17774230), (20, 12441961), (28, 8887115), (35, 7109692), (70, 3554846), (140, 1777423)]