251456820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 721405440

約数和(自身を除く): 469948620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 251, 283, 295, 354, 502, 566, 590, 708, 753, 849, 885, 1004, 1132, 1180, 1255, 1415, 1506, 1698, 1770, 2510, 2830, 3012, 3396, 3540, 3765, 4245, 5020, 5660, 7530, 8490, 14809, 15060, 16697, 16980, 29618, 33394, 44427, 50091, 59236, 66788, 71033, 74045, 83485, 88854, 100182, 142066, 148090, 166970, 177708, 200364, 213099, 222135, 250455, 284132, 296180, 333940, 355165, 426198, 444270, 500910, 710330, 852396, 888540, 1001820, 1065495, 1420660, 2130990, 4190947, 4261980, 8381894, 12572841, 16763788, 20954735, 25145682, 41909470, 50291364, 62864205, 83818940, 125728410, 251456820]

約数ペア:

[(1, 251456820), (2, 125728410), (3, 83818940), (4, 62864205), (5, 50291364), (6, 41909470), (10, 25145682), (12, 20954735), (15, 16763788), (20, 12572841), (30, 8381894), (59, 4261980), (60, 4190947), (118, 2130990), (177, 1420660), (236, 1065495), (251, 1001820), (283, 888540), (295, 852396), (354, 710330), (502, 500910), (566, 444270), (590, 426198), (708, 355165), (753, 333940), (849, 296180), (885, 284132), (1004, 250455), (1132, 222135), (1180, 213099), (1255, 200364), (1415, 177708), (1506, 166970), (1698, 148090), (1770, 142066), (2510, 100182), (2830, 88854), (3012, 83485), (3396, 74045), (3540, 71033), (3765, 66788), (4245, 59236), (5020, 50091), (5660, 44427), (7530, 33394), (8490, 29618), (14809, 16980), (15060, 16697)]