75390820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 163134720

約数和(自身を除く): 87743900

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 577, 695, 940, 1154, 1390, 2308, 2780, 2885, 5770, 6533, 11540, 13066, 26132, 27119, 32665, 54238, 65330, 80203, 108476, 130660, 135595, 160406, 271190, 320812, 401015, 542380, 802030, 1604060, 3769541, 7539082, 15078164, 18847705, 37695410, 75390820]

約数ペア:

[(1, 75390820), (2, 37695410), (4, 18847705), (5, 15078164), (10, 7539082), (20, 3769541), (47, 1604060), (94, 802030), (139, 542380), (188, 401015), (235, 320812), (278, 271190), (470, 160406), (556, 135595), (577, 130660), (695, 108476), (940, 80203), (1154, 65330), (1390, 54238), (2308, 32665), (2780, 27119), (2885, 26132), (5770, 13066), (6533, 11540)]