7950460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 19293120

約数和(自身を除く): 11342660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 521, 545, 763, 1042, 1090, 1526, 2084, 2180, 2605, 3052, 3647, 3815, 5210, 7294, 7630, 10420, 14588, 15260, 18235, 36470, 56789, 72940, 113578, 227156, 283945, 397523, 567890, 795046, 1135780, 1590092, 1987615, 3975230, 7950460]

約数ペア:

[(1, 7950460), (2, 3975230), (4, 1987615), (5, 1590092), (7, 1135780), (10, 795046), (14, 567890), (20, 397523), (28, 283945), (35, 227156), (70, 113578), (109, 72940), (140, 56789), (218, 36470), (436, 18235), (521, 15260), (545, 14588), (763, 10420), (1042, 7630), (1090, 7294), (1526, 5210), (2084, 3815), (2180, 3647), (2605, 3052)]