197318490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 503159040

約数和(自身を除く): 305840550

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 421, 510, 842, 919, 1263, 1838, 2105, 2526, 2757, 4210, 4595, 5514, 6315, 7157, 9190, 12630, 13785, 14314, 15623, 21471, 27570, 31246, 35785, 42942, 46869, 71570, 78115, 93738, 107355, 156230, 214710, 234345, 386899, 468690, 773798, 1160697, 1934495, 2321394, 3868990, 5803485, 6577283, 11606970, 13154566, 19731849, 32886415, 39463698, 65772830, 98659245, 197318490]

約数ペア:

[(1, 197318490), (2, 98659245), (3, 65772830), (5, 39463698), (6, 32886415), (10, 19731849), (15, 13154566), (17, 11606970), (30, 6577283), (34, 5803485), (51, 3868990), (85, 2321394), (102, 1934495), (170, 1160697), (255, 773798), (421, 468690), (510, 386899), (842, 234345), (919, 214710), (1263, 156230), (1838, 107355), (2105, 93738), (2526, 78115), (2757, 71570), (4210, 46869), (4595, 42942), (5514, 35785), (6315, 31246), (7157, 27570), (9190, 21471), (12630, 15623), (13785, 14314)]