628315660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4487969}}^1$

素因数の和:4487985

約数の個数: 24

約数和(自身を含む): 1507957920

約数和(自身を除く): 879642260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4487969, 8975938, 17951876, 22439845, 31415783, 44879690, 62831566, 89759380, 125663132, 157078915, 314157830, 628315660]

約数ペア:

[(1, 628315660), (2, 314157830), (4, 157078915), (5, 125663132), (7, 89759380), (10, 62831566), (14, 44879690), (20, 31415783), (28, 22439845), (35, 17951876), (70, 8975938), (140, 4487969)]