201186140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 430510080

約数和(自身を除く): 229323940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 223, 316, 395, 446, 571, 790, 892, 1115, 1142, 1580, 2230, 2284, 2855, 4460, 5710, 11420, 17617, 35234, 45109, 70468, 88085, 90218, 127333, 176170, 180436, 225545, 254666, 352340, 451090, 509332, 636665, 902180, 1273330, 2546660, 10059307, 20118614, 40237228, 50296535, 100593070, 201186140]

約数ペア:

[(1, 201186140), (2, 100593070), (4, 50296535), (5, 40237228), (10, 20118614), (20, 10059307), (79, 2546660), (158, 1273330), (223, 902180), (316, 636665), (395, 509332), (446, 451090), (571, 352340), (790, 254666), (892, 225545), (1115, 180436), (1142, 176170), (1580, 127333), (2230, 90218), (2284, 88085), (2855, 70468), (4460, 45109), (5710, 35234), (11420, 17617)]