149849680

素因数分解:

$2^4\times 5^1\times {\mathrm{1873121}}^1$

素因数の和:1873134

約数の個数: 20

約数和(自身を含む): 348400692

約数和(自身を除く): 198551012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1873121, 3746242, 7492484, 9365605, 14984968, 18731210, 29969936, 37462420, 74924840, 149849680]

約数ペア:

[(1, 149849680), (2, 74924840), (4, 37462420), (5, 29969936), (8, 18731210), (10, 14984968), (16, 9365605), (20, 7492484), (40, 3746242), (80, 1873121)]