9207940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 22377600

約数和(自身を除く): 13169660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 739, 890, 1246, 1478, 1780, 2492, 2956, 3115, 3695, 5173, 6230, 7390, 10346, 12460, 14780, 20692, 25865, 51730, 65771, 103460, 131542, 263084, 328855, 460397, 657710, 920794, 1315420, 1841588, 2301985, 4603970, 9207940]

約数ペア:

[(1, 9207940), (2, 4603970), (4, 2301985), (5, 1841588), (7, 1315420), (10, 920794), (14, 657710), (20, 460397), (28, 328855), (35, 263084), (70, 131542), (89, 103460), (140, 65771), (178, 51730), (356, 25865), (445, 20692), (623, 14780), (739, 12460), (890, 10346), (1246, 7390), (1478, 6230), (1780, 5173), (2492, 3695), (2956, 3115)]