2887640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10313}}^1$

素因数の和:10331

約数の個数: 32

約数和(自身を含む): 7426080

約数和(自身を除く): 4538440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10313, 20626, 41252, 51565, 72191, 82504, 103130, 144382, 206260, 288764, 360955, 412520, 577528, 721910, 1443820, 2887640]

約数ペア:

[(1, 2887640), (2, 1443820), (4, 721910), (5, 577528), (7, 412520), (8, 360955), (10, 288764), (14, 206260), (20, 144382), (28, 103130), (35, 82504), (40, 72191), (56, 51565), (70, 41252), (140, 20626), (280, 10313)]