99681980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{262321}}^1$

素因数の和:262349

約数の個数: 24

約数和(自身を含む): 220350480

約数和(自身を除く): 120668500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 262321, 524642, 1049284, 1311605, 2623210, 4984099, 5246420, 9968198, 19936396, 24920495, 49840990, 99681980]

約数ペア:

[(1, 99681980), (2, 49840990), (4, 24920495), (5, 19936396), (10, 9968198), (19, 5246420), (20, 4984099), (38, 2623210), (76, 1311605), (95, 1049284), (190, 524642), (380, 262321)]