90010220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{236869}}^1$

素因数の和:236897

約数の個数: 24

約数和(自身を含む): 198970800

約数和(自身を除く): 108960580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 236869, 473738, 947476, 1184345, 2368690, 4500511, 4737380, 9001022, 18002044, 22502555, 45005110, 90010220]

約数ペア:

[(1, 90010220), (2, 45005110), (4, 22502555), (5, 18002044), (10, 9001022), (19, 4737380), (20, 4500511), (38, 2368690), (76, 1184345), (95, 947476), (190, 473738), (380, 236869)]