630898000

素因数分解:

$2^4\times 5^3\times {\mathrm{315449}}^1$

素因数の和:315472

約数の個数: 40

約数和(自身を含む): 1525516200

約数和(自身を除く): 894618200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 315449, 630898, 1261796, 1577245, 2523592, 3154490, 5047184, 6308980, 7886225, 12617960, 15772450, 25235920, 31544900, 39431125, 63089800, 78862250, 126179600, 157724500, 315449000, 630898000]

約数ペア:

[(1, 630898000), (2, 315449000), (4, 157724500), (5, 126179600), (8, 78862250), (10, 63089800), (16, 39431125), (20, 31544900), (25, 25235920), (40, 15772450), (50, 12617960), (80, 7886225), (100, 6308980), (125, 5047184), (200, 3154490), (250, 2523592), (400, 1577245), (500, 1261796), (1000, 630898), (2000, 315449)]