491261960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{56597}}^1$

素因数の和:56646

約数の個数: 64

約数和(自身を含む): 1304017920

約数和(自身を除く): 812755960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 56597, 113194, 226388, 282985, 396179, 452776, 565970, 792358, 1131940, 1584716, 1754507, 1980895, 2263880, 3169432, 3509014, 3961790, 7018028, 7923580, 8772535, 12281549, 14036056, 15847160, 17545070, 24563098, 35090140, 49126196, 61407745, 70180280, 98252392, 122815490, 245630980, 491261960]

約数ペア:

[(1, 491261960), (2, 245630980), (4, 122815490), (5, 98252392), (7, 70180280), (8, 61407745), (10, 49126196), (14, 35090140), (20, 24563098), (28, 17545070), (31, 15847160), (35, 14036056), (40, 12281549), (56, 8772535), (62, 7923580), (70, 7018028), (124, 3961790), (140, 3509014), (155, 3169432), (217, 2263880), (248, 1980895), (280, 1754507), (310, 1584716), (434, 1131940), (620, 792358), (868, 565970), (1085, 452776), (1240, 396179), (1736, 282985), (2170, 226388), (4340, 113194), (8680, 56597)]