78211100

素因数分解:

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

素因数の和:855

約数の個数: 72

約数和(自身を含む): 187310928

約数和(自身を除く): 109099828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 220, 275, 388, 485, 550, 733, 970, 1067, 1100, 1466, 1940, 2134, 2425, 2932, 3665, 4268, 4850, 5335, 7330, 8063, 9700, 10670, 14660, 16126, 18325, 21340, 26675, 32252, 36650, 40315, 53350, 71101, 73300, 80630, 106700, 142202, 161260, 201575, 284404, 355505, 403150, 711010, 782111, 806300, 1422020, 1564222, 1777525, 3128444, 3555050, 3910555, 7110100, 7821110, 15642220, 19552775, 39105550, 78211100]

約数ペア:

[(1, 78211100), (2, 39105550), (4, 19552775), (5, 15642220), (10, 7821110), (11, 7110100), (20, 3910555), (22, 3555050), (25, 3128444), (44, 1777525), (50, 1564222), (55, 1422020), (97, 806300), (100, 782111), (110, 711010), (194, 403150), (220, 355505), (275, 284404), (388, 201575), (485, 161260), (550, 142202), (733, 106700), (970, 80630), (1067, 73300), (1100, 71101), (1466, 53350), (1940, 40315), (2134, 36650), (2425, 32252), (2932, 26675), (3665, 21340), (4268, 18325), (4850, 16126), (5335, 14660), (7330, 10670), (8063, 9700)]