2109716620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{21647}}^1$

素因数の和:22110

約数の個数: 48

約数和(自身を含む): 4844302848

約数和(自身を除く): 2734586228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 886, 1772, 2215, 4430, 4873, 8860, 9746, 19492, 21647, 24365, 43294, 48730, 86588, 97460, 108235, 216470, 238117, 432940, 476234, 952468, 1190585, 2381170, 4762340, 9589621, 19179242, 38358484, 47948105, 95896210, 105485831, 191792420, 210971662, 421943324, 527429155, 1054858310, 2109716620]

約数ペア:

[(1, 2109716620), (2, 1054858310), (4, 527429155), (5, 421943324), (10, 210971662), (11, 191792420), (20, 105485831), (22, 95896210), (44, 47948105), (55, 38358484), (110, 19179242), (220, 9589621), (443, 4762340), (886, 2381170), (1772, 1190585), (2215, 952468), (4430, 476234), (4873, 432940), (8860, 238117), (9746, 216470), (19492, 108235), (21647, 97460), (24365, 86588), (43294, 48730)]