249765340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{3253}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 574005600

約数和(自身を除く): 324240260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 3253, 3490, 3839, 6506, 6980, 7678, 13012, 15356, 16265, 19195, 32530, 35783, 38390, 65060, 71566, 76780, 143132, 178915, 357830, 715660, 1135297, 2270594, 4541188, 5676485, 11352970, 12488267, 22705940, 24976534, 49953068, 62441335, 124882670, 249765340]

約数ペア:

[(1, 249765340), (2, 124882670), (4, 62441335), (5, 49953068), (10, 24976534), (11, 22705940), (20, 12488267), (22, 11352970), (44, 5676485), (55, 4541188), (110, 2270594), (220, 1135297), (349, 715660), (698, 357830), (1396, 178915), (1745, 143132), (3253, 76780), (3490, 71566), (3839, 65060), (6506, 38390), (6980, 35783), (7678, 32530), (13012, 19195), (15356, 16265)]