566561540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{4483}}^1$

素因数の和:4652

約数の個数: 48

約数和(自身を含む): 1220365440

約数和(自身を除く): 653803900

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 710, 890, 1420, 1780, 4483, 6319, 8966, 12638, 17932, 22415, 25276, 31595, 44830, 63190, 89660, 126380, 318293, 398987, 636586, 797974, 1273172, 1591465, 1595948, 1994935, 3182930, 3989870, 6365860, 7979740, 28328077, 56656154, 113312308, 141640385, 283280770, 566561540]

約数ペア:

[(1, 566561540), (2, 283280770), (4, 141640385), (5, 113312308), (10, 56656154), (20, 28328077), (71, 7979740), (89, 6365860), (142, 3989870), (178, 3182930), (284, 1994935), (355, 1595948), (356, 1591465), (445, 1273172), (710, 797974), (890, 636586), (1420, 398987), (1780, 318293), (4483, 126380), (6319, 89660), (8966, 63190), (12638, 44830), (17932, 31595), (22415, 25276)]