389188920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3253}}^1$

素因数の和:4264

約数の個数: 64

約数和(自身を含む): 1169097120

約数和(自身を除く): 779908200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1994, 2991, 3253, 3988, 4985, 5982, 6506, 7976, 9759, 9970, 11964, 13012, 14955, 16265, 19518, 19940, 23928, 26024, 29910, 32530, 39036, 39880, 48795, 59820, 65060, 78072, 97590, 119640, 130120, 195180, 390360, 3243241, 6486482, 9729723, 12972964, 16216205, 19459446, 25945928, 32432410, 38918892, 48648615, 64864820, 77837784, 97297230, 129729640, 194594460, 389188920]

約数ペア:

[(1, 389188920), (2, 194594460), (3, 129729640), (4, 97297230), (5, 77837784), (6, 64864820), (8, 48648615), (10, 38918892), (12, 32432410), (15, 25945928), (20, 19459446), (24, 16216205), (30, 12972964), (40, 9729723), (60, 6486482), (120, 3243241), (997, 390360), (1994, 195180), (2991, 130120), (3253, 119640), (3988, 97590), (4985, 78072), (5982, 65060), (6506, 59820), (7976, 48795), (9759, 39880), (9970, 39036), (11964, 32530), (13012, 29910), (14955, 26024), (16265, 23928), (19518, 19940)]