438379960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{206783}}^1$

素因数の和:206847

約数の個数: 32

約数和(自身を含む): 1004970240

約数和(自身を除く): 566590280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 206783, 413566, 827132, 1033915, 1654264, 2067830, 4135660, 8271320, 10959499, 21918998, 43837996, 54797495, 87675992, 109594990, 219189980, 438379960]

約数ペア:

[(1, 438379960), (2, 219189980), (4, 109594990), (5, 87675992), (8, 54797495), (10, 43837996), (20, 21918998), (40, 10959499), (53, 8271320), (106, 4135660), (212, 2067830), (265, 1654264), (424, 1033915), (530, 827132), (1060, 413566), (2120, 206783)]