100299880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 238049280

約数和(自身を除く): 137749400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1721, 1880, 2914, 3442, 5828, 6884, 7285, 8605, 11656, 13768, 14570, 17210, 29140, 34420, 53351, 58280, 68840, 80887, 106702, 161774, 213404, 266755, 323548, 404435, 426808, 533510, 647096, 808870, 1067020, 1617740, 2134040, 2507497, 3235480, 5014994, 10029988, 12537485, 20059976, 25074970, 50149940, 100299880]

約数ペア:

[(1, 100299880), (2, 50149940), (4, 25074970), (5, 20059976), (8, 12537485), (10, 10029988), (20, 5014994), (31, 3235480), (40, 2507497), (47, 2134040), (62, 1617740), (94, 1067020), (124, 808870), (155, 647096), (188, 533510), (235, 426808), (248, 404435), (310, 323548), (376, 266755), (470, 213404), (620, 161774), (940, 106702), (1240, 80887), (1457, 68840), (1721, 58280), (1880, 53351), (2914, 34420), (3442, 29140), (5828, 17210), (6884, 14570), (7285, 13768), (8605, 11656)]