85831060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1997}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 206769024

約数和(自身を除く): 120937964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 1997, 2149, 3070, 3994, 4298, 6140, 7988, 8596, 9985, 10745, 13979, 19970, 21490, 27958, 39940, 42980, 55916, 69895, 139790, 279580, 613079, 1226158, 2452316, 3065395, 4291553, 6130790, 8583106, 12261580, 17166212, 21457765, 42915530, 85831060]

約数ペア:

[(1, 85831060), (2, 42915530), (4, 21457765), (5, 17166212), (7, 12261580), (10, 8583106), (14, 6130790), (20, 4291553), (28, 3065395), (35, 2452316), (70, 1226158), (140, 613079), (307, 279580), (614, 139790), (1228, 69895), (1535, 55916), (1997, 42980), (2149, 39940), (3070, 27958), (3994, 21490), (4298, 19970), (6140, 13979), (7988, 10745), (8596, 9985)]