28730090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1699}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 55080000

約数和(自身を除く): 26349910

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 1699, 3382, 3398, 8455, 8495, 16910, 16990, 32281, 64562, 151211, 161405, 302422, 322810, 756055, 1512110, 2873009, 5746018, 14365045, 28730090]

約数ペア:

[(1, 28730090), (2, 14365045), (5, 5746018), (10, 2873009), (19, 1512110), (38, 756055), (89, 322810), (95, 302422), (178, 161405), (190, 151211), (445, 64562), (890, 32281), (1691, 16990), (1699, 16910), (3382, 8495), (3398, 8455)]