97997800

素因数分解:

$2^3\times 5^2\times {\mathrm{489989}}^1$

素因数の和:490005

約数の個数: 24

約数和(自身を含む): 227845350

約数和(自身を除く): 129847550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 489989, 979978, 1959956, 2449945, 3919912, 4899890, 9799780, 12249725, 19599560, 24499450, 48998900, 97997800]

約数ペア:

[(1, 97997800), (2, 48998900), (4, 24499450), (5, 19599560), (8, 12249725), (10, 9799780), (20, 4899890), (25, 3919912), (40, 2449945), (50, 1959956), (100, 979978), (200, 489989)]