980097980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{803359}}^1$

素因数の和:803429

約数の個数: 24

約数和(自身を含む): 2091949440

約数和(自身を除く): 1111851460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 803359, 1606718, 3213436, 4016795, 8033590, 16067180, 49004899, 98009798, 196019596, 245024495, 490048990, 980097980]

約数ペア:

[(1, 980097980), (2, 490048990), (4, 245024495), (5, 196019596), (10, 98009798), (20, 49004899), (61, 16067180), (122, 8033590), (244, 4016795), (305, 3213436), (610, 1606718), (1220, 803359)]