250670960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1762

約数の個数: 80

約数和(自身を含む): 611841792

約数和(自身を除く): 361170832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1657, 1891, 2440, 2480, 3314, 3782, 4880, 6628, 7564, 8285, 9455, 13256, 15128, 16570, 18910, 26512, 30256, 33140, 37820, 51367, 66280, 75640, 101077, 102734, 132560, 151280, 202154, 205468, 256835, 404308, 410936, 505385, 513670, 808616, 821872, 1010770, 1027340, 1617232, 2021540, 2054680, 3133387, 4043080, 4109360, 6266774, 8086160, 12533548, 15666935, 25067096, 31333870, 50134192, 62667740, 125335480, 250670960]

約数ペア:

[(1, 250670960), (2, 125335480), (4, 62667740), (5, 50134192), (8, 31333870), (10, 25067096), (16, 15666935), (20, 12533548), (31, 8086160), (40, 6266774), (61, 4109360), (62, 4043080), (80, 3133387), (122, 2054680), (124, 2021540), (155, 1617232), (244, 1027340), (248, 1010770), (305, 821872), (310, 808616), (488, 513670), (496, 505385), (610, 410936), (620, 404308), (976, 256835), (1220, 205468), (1240, 202154), (1657, 151280), (1891, 132560), (2440, 102734), (2480, 101077), (3314, 75640), (3782, 66280), (4880, 51367), (6628, 37820), (7564, 33140), (8285, 30256), (9455, 26512), (13256, 18910), (15128, 16570)]