17405020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 38541888

約数和(自身を除く): 21136868

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 241, 314, 460, 482, 628, 785, 964, 1205, 1570, 2410, 3140, 3611, 4820, 5543, 7222, 11086, 14444, 18055, 22172, 27715, 36110, 37837, 55430, 72220, 75674, 110860, 151348, 189185, 378370, 756740, 870251, 1740502, 3481004, 4351255, 8702510, 17405020]

約数ペア:

[(1, 17405020), (2, 8702510), (4, 4351255), (5, 3481004), (10, 1740502), (20, 870251), (23, 756740), (46, 378370), (92, 189185), (115, 151348), (157, 110860), (230, 75674), (241, 72220), (314, 55430), (460, 37837), (482, 36110), (628, 27715), (785, 22172), (964, 18055), (1205, 14444), (1570, 11086), (2410, 7222), (3140, 5543), (3611, 4820)]