201212180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1847}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 456382080

約数和(自身を除く): 255169900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1676, 1847, 2095, 3694, 4190, 5447, 7388, 8380, 9235, 10894, 18470, 21788, 24011, 27235, 36940, 48022, 54470, 96044, 108940, 120055, 240110, 480220, 773893, 1547786, 3095572, 3869465, 7738930, 10060609, 15477860, 20121218, 40242436, 50303045, 100606090, 201212180]

約数ペア:

[(1, 201212180), (2, 100606090), (4, 50303045), (5, 40242436), (10, 20121218), (13, 15477860), (20, 10060609), (26, 7738930), (52, 3869465), (65, 3095572), (130, 1547786), (260, 773893), (419, 480220), (838, 240110), (1676, 120055), (1847, 108940), (2095, 96044), (3694, 54470), (4190, 48022), (5447, 36940), (7388, 27235), (8380, 24011), (9235, 21788), (10894, 18470)]