206865620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1741}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 469127568

約数和(自身を除く): 262261948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457, 914, 1741, 1828, 2285, 3482, 4570, 5941, 6964, 8705, 9140, 11882, 17410, 22633, 23764, 29705, 34820, 45266, 59410, 90532, 113165, 118820, 226330, 452660, 795637, 1591274, 3182548, 3978185, 7956370, 10343281, 15912740, 20686562, 41373124, 51716405, 103432810, 206865620]

約数ペア:

[(1, 206865620), (2, 103432810), (4, 51716405), (5, 41373124), (10, 20686562), (13, 15912740), (20, 10343281), (26, 7956370), (52, 3978185), (65, 3182548), (130, 1591274), (260, 795637), (457, 452660), (914, 226330), (1741, 118820), (1828, 113165), (2285, 90532), (3482, 59410), (4570, 45266), (5941, 34820), (6964, 29705), (8705, 23764), (9140, 22633), (11882, 17410)]