31284440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 77686560

約数和(自身を除く): 46402120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 733, 776, 970, 1067, 1466, 1940, 2134, 2932, 3665, 3880, 4268, 5335, 5864, 7330, 8063, 8536, 10670, 14660, 16126, 21340, 29320, 32252, 40315, 42680, 64504, 71101, 80630, 142202, 161260, 284404, 322520, 355505, 568808, 711010, 782111, 1422020, 1564222, 2844040, 3128444, 3910555, 6256888, 7821110, 15642220, 31284440]

約数ペア:

[(1, 31284440), (2, 15642220), (4, 7821110), (5, 6256888), (8, 3910555), (10, 3128444), (11, 2844040), (20, 1564222), (22, 1422020), (40, 782111), (44, 711010), (55, 568808), (88, 355505), (97, 322520), (110, 284404), (194, 161260), (220, 142202), (388, 80630), (440, 71101), (485, 64504), (733, 42680), (776, 40315), (970, 32252), (1067, 29320), (1466, 21340), (1940, 16126), (2134, 14660), (2932, 10670), (3665, 8536), (3880, 8063), (4268, 7330), (5335, 5864)]