278454080

素因数分解:

$2^6\times 5^1\times {\mathrm{870169}}^1$

素因数の和:870186

約数の個数: 28

約数和(自身を含む): 663069540

約数和(自身を除く): 384615460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 870169, 1740338, 3480676, 4350845, 6961352, 8701690, 13922704, 17403380, 27845408, 34806760, 55690816, 69613520, 139227040, 278454080]

約数ペア:

[(1, 278454080), (2, 139227040), (4, 69613520), (5, 55690816), (8, 34806760), (10, 27845408), (16, 17403380), (20, 13922704), (32, 8701690), (40, 6961352), (64, 4350845), (80, 3480676), (160, 1740338), (320, 870169)]