2945020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 6830208

約数和(自身を除く): 3885188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 241, 260, 470, 482, 611, 940, 964, 1205, 1222, 2410, 2444, 3055, 3133, 4820, 6110, 6266, 11327, 12220, 12532, 15665, 22654, 31330, 45308, 56635, 62660, 113270, 147251, 226540, 294502, 589004, 736255, 1472510, 2945020]

約数ペア:

[(1, 2945020), (2, 1472510), (4, 736255), (5, 589004), (10, 294502), (13, 226540), (20, 147251), (26, 113270), (47, 62660), (52, 56635), (65, 45308), (94, 31330), (130, 22654), (188, 15665), (235, 12532), (241, 12220), (260, 11327), (470, 6266), (482, 6110), (611, 4820), (940, 3133), (964, 3055), (1205, 2444), (1222, 2410)]