2018012540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{13219}}^1$

素因数の和:13694

約数の個数: 48

約数和(自身を含む): 4497444000

約数和(自身を除く): 2479431460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 898, 1796, 2245, 4490, 7633, 8980, 13219, 15266, 26438, 30532, 38165, 52876, 66095, 76330, 132190, 152660, 224723, 264380, 449446, 898892, 1123615, 2247230, 4494460, 5935331, 11870662, 23741324, 29676655, 59353310, 100900627, 118706620, 201801254, 403602508, 504503135, 1009006270, 2018012540]

約数ペア:

[(1, 2018012540), (2, 1009006270), (4, 504503135), (5, 403602508), (10, 201801254), (17, 118706620), (20, 100900627), (34, 59353310), (68, 29676655), (85, 23741324), (170, 11870662), (340, 5935331), (449, 4494460), (898, 2247230), (1796, 1123615), (2245, 898892), (4490, 449446), (7633, 264380), (8980, 224723), (13219, 152660), (15266, 132190), (26438, 76330), (30532, 66095), (38165, 52876)]