290105090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61333}}^1$

素因数の和:61394

約数の個数: 32

約数和(自身を含む): 582918336

約数和(自身を除く): 292813246

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 61333, 122666, 306665, 613330, 674663, 1349326, 2637319, 3373315, 5274638, 6746630, 13186595, 26373190, 29010509, 58021018, 145052545, 290105090]

約数ペア:

[(1, 290105090), (2, 145052545), (5, 58021018), (10, 29010509), (11, 26373190), (22, 13186595), (43, 6746630), (55, 5274638), (86, 3373315), (110, 2637319), (215, 1349326), (430, 674663), (473, 613330), (946, 306665), (2365, 122666), (4730, 61333)]