123438440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{162419}}^1$

素因数の和:162449

約数の個数: 32

約数和(自身を含む): 292356000

約数和(自身を除く): 168917560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 162419, 324838, 649676, 812095, 1299352, 1624190, 3085961, 3248380, 6171922, 6496760, 12343844, 15429805, 24687688, 30859610, 61719220, 123438440]

約数ペア:

[(1, 123438440), (2, 61719220), (4, 30859610), (5, 24687688), (8, 15429805), (10, 12343844), (19, 6496760), (20, 6171922), (38, 3248380), (40, 3085961), (76, 1624190), (95, 1299352), (152, 812095), (190, 649676), (380, 324838), (760, 162419)]