181738340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1298131}}^1$

素因数の和:1298147

約数の個数: 24

約数和(自身を含む): 436172352

約数和(自身を除く): 254434012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1298131, 2596262, 5192524, 6490655, 9086917, 12981310, 18173834, 25962620, 36347668, 45434585, 90869170, 181738340]

約数ペア:

[(1, 181738340), (2, 90869170), (4, 45434585), (5, 36347668), (7, 25962620), (10, 18173834), (14, 12981310), (20, 9086917), (28, 6490655), (35, 5192524), (70, 2596262), (140, 1298131)]