64394120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229979}}^1$

素因数の和:229997

約数の個数: 32

約数和(自身を含む): 165585600

約数和(自身を除く): 101191480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 229979, 459958, 919916, 1149895, 1609853, 1839832, 2299790, 3219706, 4599580, 6439412, 8049265, 9199160, 12878824, 16098530, 32197060, 64394120]

約数ペア:

[(1, 64394120), (2, 32197060), (4, 16098530), (5, 12878824), (7, 9199160), (8, 8049265), (10, 6439412), (14, 4599580), (20, 3219706), (28, 2299790), (35, 1839832), (40, 1609853), (56, 1149895), (70, 919916), (140, 459958), (280, 229979)]