1640447670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{137737}}^1$

素因数の和:138144

約数の個数: 32

約数和(自身を含む): 3947020128

約数和(自身を除く): 2306572458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 3970, 5955, 11910, 137737, 275474, 413211, 688685, 826422, 1377370, 2066055, 4132110, 54681589, 109363178, 164044767, 273407945, 328089534, 546815890, 820223835, 1640447670]

約数ペア:

[(1, 1640447670), (2, 820223835), (3, 546815890), (5, 328089534), (6, 273407945), (10, 164044767), (15, 109363178), (30, 54681589), (397, 4132110), (794, 2066055), (1191, 1377370), (1985, 826422), (2382, 688685), (3970, 413211), (5955, 275474), (11910, 137737)]