7122920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25439}}^1$

素因数の和:25457

約数の個数: 32

約数和(自身を含む): 18316800

約数和(自身を除く): 11193880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25439, 50878, 101756, 127195, 178073, 203512, 254390, 356146, 508780, 712292, 890365, 1017560, 1424584, 1780730, 3561460, 7122920]

約数ペア:

[(1, 7122920), (2, 3561460), (4, 1780730), (5, 1424584), (7, 1017560), (8, 890365), (10, 712292), (14, 508780), (20, 356146), (28, 254390), (35, 203512), (40, 178073), (56, 127195), (70, 101756), (140, 50878), (280, 25439)]