497553820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{929}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 1065556800

約数和(自身を除く): 568002980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 439, 610, 878, 929, 1220, 1756, 1858, 2195, 3716, 4390, 4645, 8780, 9290, 18580, 26779, 53558, 56669, 107116, 113338, 133895, 226676, 267790, 283345, 407831, 535580, 566690, 815662, 1133380, 1631324, 2039155, 4078310, 8156620, 24877691, 49755382, 99510764, 124388455, 248776910, 497553820]

約数ペア:

[(1, 497553820), (2, 248776910), (4, 124388455), (5, 99510764), (10, 49755382), (20, 24877691), (61, 8156620), (122, 4078310), (244, 2039155), (305, 1631324), (439, 1133380), (610, 815662), (878, 566690), (929, 535580), (1220, 407831), (1756, 283345), (1858, 267790), (2195, 226676), (3716, 133895), (4390, 113338), (4645, 107116), (8780, 56669), (9290, 53558), (18580, 26779)]