71546140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 156248064

約数和(自身を除く): 84701924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 691, 835, 1382, 1670, 2764, 3340, 3455, 5177, 6910, 10354, 13820, 20708, 21421, 25885, 42842, 51770, 85684, 103540, 107105, 115397, 214210, 230794, 428420, 461588, 576985, 1153970, 2307940, 3577307, 7154614, 14309228, 17886535, 35773070, 71546140]

約数ペア:

[(1, 71546140), (2, 35773070), (4, 17886535), (5, 14309228), (10, 7154614), (20, 3577307), (31, 2307940), (62, 1153970), (124, 576985), (155, 461588), (167, 428420), (310, 230794), (334, 214210), (620, 115397), (668, 107105), (691, 103540), (835, 85684), (1382, 51770), (1670, 42842), (2764, 25885), (3340, 21421), (3455, 20708), (5177, 13820), (6910, 10354)]