211380220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{23539}}^1$

素因数の和:23997

約数の個数: 24

約数和(自身を含む): 444906000

約数和(自身を除く): 233525780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 23539, 47078, 94156, 117695, 235390, 470780, 10569011, 21138022, 42276044, 52845055, 105690110, 211380220]

約数ペア:

[(1, 211380220), (2, 105690110), (4, 52845055), (5, 42276044), (10, 21138022), (20, 10569011), (449, 470780), (898, 235390), (1796, 117695), (2245, 94156), (4490, 47078), (8980, 23539)]