7909660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 18315360

約数和(自身を除く): 10405700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 229, 314, 458, 628, 785, 916, 1145, 1570, 1727, 2290, 2519, 3140, 3454, 4580, 5038, 6908, 8635, 10076, 12595, 17270, 25190, 34540, 35953, 50380, 71906, 143812, 179765, 359530, 395483, 719060, 790966, 1581932, 1977415, 3954830, 7909660]

約数ペア:

[(1, 7909660), (2, 3954830), (4, 1977415), (5, 1581932), (10, 790966), (11, 719060), (20, 395483), (22, 359530), (44, 179765), (55, 143812), (110, 71906), (157, 50380), (220, 35953), (229, 34540), (314, 25190), (458, 17270), (628, 12595), (785, 10076), (916, 8635), (1145, 6908), (1570, 5038), (1727, 4580), (2290, 3454), (2519, 3140)]