78284780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559177}}^1$

素因数の和:559193

約数の個数: 24

約数和(自身を含む): 187883808

約数和(自身を除く): 109599028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559177, 1118354, 2236708, 2795885, 3914239, 5591770, 7828478, 11183540, 15656956, 19571195, 39142390, 78284780]

約数ペア:

[(1, 78284780), (2, 39142390), (4, 19571195), (5, 15656956), (7, 11183540), (10, 7828478), (14, 5591770), (20, 3914239), (28, 2795885), (35, 2236708), (70, 1118354), (140, 559177)]