250285420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{162523}}^1$

素因数の和:162550

約数の個数: 48

約数和(自身を含む): 655296768

約数和(自身を除く): 405011348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 162523, 325046, 650092, 812615, 1137661, 1625230, 1787753, 2275322, 3250460, 3575506, 4550644, 5688305, 7151012, 8938765, 11376610, 12514271, 17877530, 22753220, 25028542, 35755060, 50057084, 62571355, 125142710, 250285420]

約数ペア:

[(1, 250285420), (2, 125142710), (4, 62571355), (5, 50057084), (7, 35755060), (10, 25028542), (11, 22753220), (14, 17877530), (20, 12514271), (22, 11376610), (28, 8938765), (35, 7151012), (44, 5688305), (55, 4550644), (70, 3575506), (77, 3250460), (110, 2275322), (140, 1787753), (154, 1625230), (220, 1137661), (308, 812615), (385, 650092), (770, 325046), (1540, 162523)]