189800510

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{1277}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 347820480

約数和(自身を除く): 158019970

約数列:

[1, 2, 5, 10, 89, 167, 178, 334, 445, 835, 890, 1277, 1670, 2554, 6385, 12770, 14863, 29726, 74315, 113653, 148630, 213259, 227306, 426518, 568265, 1066295, 1136530, 2132590, 18980051, 37960102, 94900255, 189800510]

約数ペア:

[(1, 189800510), (2, 94900255), (5, 37960102), (10, 18980051), (89, 2132590), (167, 1136530), (178, 1066295), (334, 568265), (445, 426518), (835, 227306), (890, 213259), (1277, 148630), (1670, 113653), (2554, 74315), (6385, 29726), (12770, 14863)]