71809550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 141620400

約数和(自身を除く): 69810850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 269, 281, 475, 538, 562, 950, 1345, 1405, 2690, 2810, 5111, 5339, 6725, 7025, 10222, 10678, 13450, 14050, 25555, 26695, 51110, 53390, 75589, 127775, 133475, 151178, 255550, 266950, 377945, 755890, 1436191, 1889725, 2872382, 3779450, 7180955, 14361910, 35904775, 71809550]

約数ペア:

[(1, 71809550), (2, 35904775), (5, 14361910), (10, 7180955), (19, 3779450), (25, 2872382), (38, 1889725), (50, 1436191), (95, 755890), (190, 377945), (269, 266950), (281, 255550), (475, 151178), (538, 133475), (562, 127775), (950, 75589), (1345, 53390), (1405, 51110), (2690, 26695), (2810, 25555), (5111, 14050), (5339, 13450), (6725, 10678), (7025, 10222)]