1515820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 3351600

約数和(自身を除く): 1835780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3989, 7978, 15956, 19945, 39890, 75791, 79780, 151582, 303164, 378955, 757910, 1515820]

約数ペア:

[(1, 1515820), (2, 757910), (4, 378955), (5, 303164), (10, 151582), (19, 79780), (20, 75791), (38, 39890), (76, 19945), (95, 15956), (190, 7978), (380, 3989)]