1900515199940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13575108571}}^1$

素因数の和:13575108587

約数の個数: 24

約数和(自身を含む): 4561236480192

約数和(自身を除く): 2660721280252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13575108571, 27150217142, 54300434284, 67875542855, 95025759997, 135751085710, 190051519994, 271502171420, 380103039988, 475128799985, 950257599970, 1900515199940]

約数ペア:

[(1, 1900515199940), (2, 950257599970), (4, 475128799985), (5, 380103039988), (7, 271502171420), (10, 190051519994), (14, 135751085710), (20, 95025759997), (28, 67875542855), (35, 54300434284), (70, 27150217142), (140, 13575108571)]