199987580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13037}}^1$

素因数の和:13118

約数の個数: 48

約数和(自身を含む): 459980640

約数和(自身を除く): 259993060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 13037, 15340, 26074, 52148, 65185, 130370, 169481, 260740, 338962, 677924, 769183, 847405, 1538366, 1694810, 3076732, 3389620, 3845915, 7691830, 9999379, 15383660, 19998758, 39997516, 49996895, 99993790, 199987580]

約数ペア:

[(1, 199987580), (2, 99993790), (4, 49996895), (5, 39997516), (10, 19998758), (13, 15383660), (20, 9999379), (26, 7691830), (52, 3845915), (59, 3389620), (65, 3076732), (118, 1694810), (130, 1538366), (236, 847405), (260, 769183), (295, 677924), (590, 338962), (767, 260740), (1180, 169481), (1534, 130370), (3068, 65185), (3835, 52148), (7670, 26074), (13037, 15340)]