76712660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 165473280

約数和(自身を除く): 88760620

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 607, 710, 890, 1214, 1420, 1780, 2428, 3035, 6070, 6319, 12140, 12638, 25276, 31595, 43097, 54023, 63190, 86194, 108046, 126380, 172388, 215485, 216092, 270115, 430970, 540230, 861940, 1080460, 3835633, 7671266, 15342532, 19178165, 38356330, 76712660]

約数ペア:

[(1, 76712660), (2, 38356330), (4, 19178165), (5, 15342532), (10, 7671266), (20, 3835633), (71, 1080460), (89, 861940), (142, 540230), (178, 430970), (284, 270115), (355, 216092), (356, 215485), (445, 172388), (607, 126380), (710, 108046), (890, 86194), (1214, 63190), (1420, 54023), (1780, 43097), (2428, 31595), (3035, 25276), (6070, 12638), (6319, 12140)]