85895090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 157697280

約数和(自身を除く): 71802190

約数列:

[1, 2, 5, 10, 71, 142, 311, 355, 389, 622, 710, 778, 1555, 1945, 3110, 3890, 22081, 27619, 44162, 55238, 110405, 120979, 138095, 220810, 241958, 276190, 604895, 1209790, 8589509, 17179018, 42947545, 85895090]

約数ペア:

[(1, 85895090), (2, 42947545), (5, 17179018), (10, 8589509), (71, 1209790), (142, 604895), (311, 276190), (355, 241958), (389, 220810), (622, 138095), (710, 120979), (778, 110405), (1555, 55238), (1945, 44162), (3110, 27619), (3890, 22081)]