28211970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{940399}}^1$

素因数の和:940409

約数の個数: 16

約数和(自身を含む): 67708800

約数和(自身を除く): 39496830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 940399, 1880798, 2821197, 4701995, 5642394, 9403990, 14105985, 28211970]

約数ペア:

[(1, 28211970), (2, 14105985), (3, 9403990), (5, 5642394), (6, 4701995), (10, 2821197), (15, 1880798), (30, 940399)]