387401870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{435283}}^1$

素因数の和:435379

約数の個数: 16

約数和(自身を含む): 705160080

約数和(自身を除く): 317758210

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 435283, 870566, 2176415, 4352830, 38740187, 77480374, 193700935, 387401870]

約数ペア:

[(1, 387401870), (2, 193700935), (5, 77480374), (10, 38740187), (89, 4352830), (178, 2176415), (445, 870566), (890, 435283)]