308492780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{2749}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 672672000

約数和(自身を除く): 364179220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 2749, 3620, 5498, 5611, 10996, 11222, 13745, 22444, 27490, 28055, 54980, 56110, 85219, 112220, 170438, 340876, 426095, 497569, 852190, 995138, 1704380, 1990276, 2487845, 4975690, 9951380, 15424639, 30849278, 61698556, 77123195, 154246390, 308492780]

約数ペア:

[(1, 308492780), (2, 154246390), (4, 77123195), (5, 61698556), (10, 30849278), (20, 15424639), (31, 9951380), (62, 4975690), (124, 2487845), (155, 1990276), (181, 1704380), (310, 995138), (362, 852190), (620, 497569), (724, 426095), (905, 340876), (1810, 170438), (2749, 112220), (3620, 85219), (5498, 56110), (5611, 54980), (10996, 28055), (11222, 27490), (13745, 22444)]