279486560

素因数分解:

$2^5\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1777}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 661330656

約数和(自身を除く): 381844096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 983, 1777, 1966, 3554, 3932, 4915, 7108, 7864, 8885, 9830, 14216, 15728, 17770, 19660, 28432, 31456, 35540, 39320, 56864, 71080, 78640, 142160, 157280, 284320, 1746791, 3493582, 6987164, 8733955, 13974328, 17467910, 27948656, 34935820, 55897312, 69871640, 139743280, 279486560]

約数ペア:

[(1, 279486560), (2, 139743280), (4, 69871640), (5, 55897312), (8, 34935820), (10, 27948656), (16, 17467910), (20, 13974328), (32, 8733955), (40, 6987164), (80, 3493582), (160, 1746791), (983, 284320), (1777, 157280), (1966, 142160), (3554, 78640), (3932, 71080), (4915, 56864), (7108, 39320), (7864, 35540), (8885, 31456), (9830, 28432), (14216, 19660), (15728, 17770)]