2042975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 3214080

約数和(自身を除く): 1171105

約数列:

[1, 5, 11, 17, 19, 23, 25, 55, 85, 95, 115, 187, 209, 253, 275, 323, 391, 425, 437, 475, 575, 935, 1045, 1265, 1615, 1955, 2185, 3553, 4301, 4675, 4807, 5225, 6325, 7429, 8075, 9775, 10925, 17765, 21505, 24035, 37145, 81719, 88825, 107525, 120175, 185725, 408595, 2042975]

約数ペア:

[(1, 2042975), (5, 408595), (11, 185725), (17, 120175), (19, 107525), (23, 88825), (25, 81719), (55, 37145), (85, 24035), (95, 21505), (115, 17765), (187, 10925), (209, 9775), (253, 8075), (275, 7429), (323, 6325), (391, 5225), (425, 4807), (437, 4675), (475, 4301), (575, 3553), (935, 2185), (1045, 1955), (1265, 1615)]