86494820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 189105840

約数和(自身を除く): 102611020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 290, 394, 580, 757, 788, 985, 1514, 1970, 3028, 3785, 3940, 5713, 7570, 11426, 15140, 21953, 22852, 28565, 43906, 57130, 87812, 109765, 114260, 149129, 219530, 298258, 439060, 596516, 745645, 1491290, 2982580, 4324741, 8649482, 17298964, 21623705, 43247410, 86494820]

約数ペア:

[(1, 86494820), (2, 43247410), (4, 21623705), (5, 17298964), (10, 8649482), (20, 4324741), (29, 2982580), (58, 1491290), (116, 745645), (145, 596516), (197, 439060), (290, 298258), (394, 219530), (580, 149129), (757, 114260), (788, 109765), (985, 87812), (1514, 57130), (1970, 43906), (3028, 28565), (3785, 22852), (3940, 21953), (5713, 15140), (7570, 11426)]