318027260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 678585600

約数和(自身を除く): 360558340

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 373, 445, 479, 746, 890, 958, 1492, 1780, 1865, 1916, 2395, 3730, 4790, 7460, 9580, 33197, 42631, 66394, 85262, 132788, 165985, 170524, 178667, 213155, 331970, 357334, 426310, 663940, 714668, 852620, 893335, 1786670, 3573340, 15901363, 31802726, 63605452, 79506815, 159013630, 318027260]

約数ペア:

[(1, 318027260), (2, 159013630), (4, 79506815), (5, 63605452), (10, 31802726), (20, 15901363), (89, 3573340), (178, 1786670), (356, 893335), (373, 852620), (445, 714668), (479, 663940), (746, 426310), (890, 357334), (958, 331970), (1492, 213155), (1780, 178667), (1865, 170524), (1916, 165985), (2395, 132788), (3730, 85262), (4790, 66394), (7460, 42631), (9580, 33197)]