201487660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4649}}^1$

素因数の和:4866

約数の個数: 48

約数和(自身を含む): 464032800

約数和(自身を除く): 262545140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4334, 4649, 8668, 9298, 10835, 18596, 21670, 23245, 43340, 46490, 51139, 92980, 102278, 204556, 255695, 511390, 915853, 1022780, 1831706, 3663412, 4579265, 9158530, 10074383, 18317060, 20148766, 40297532, 50371915, 100743830, 201487660]

約数ペア:

[(1, 201487660), (2, 100743830), (4, 50371915), (5, 40297532), (10, 20148766), (11, 18317060), (20, 10074383), (22, 9158530), (44, 4579265), (55, 3663412), (110, 1831706), (197, 1022780), (220, 915853), (394, 511390), (788, 255695), (985, 204556), (1970, 102278), (2167, 92980), (3940, 51139), (4334, 46490), (4649, 43340), (8668, 23245), (9298, 21670), (10835, 18596)]