1912602020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{290669}}^1$

素因数の和:290732

約数の個数: 48

約数和(自身を含む): 4687925760

約数和(自身を除く): 2775323740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 290669, 581338, 1162676, 1453345, 2034683, 2906690, 4069366, 5813380, 8138732, 10173415, 13661443, 20346830, 27322886, 40693660, 54645772, 68307215, 95630101, 136614430, 191260202, 273228860, 382520404, 478150505, 956301010, 1912602020]

約数ペア:

[(1, 1912602020), (2, 956301010), (4, 478150505), (5, 382520404), (7, 273228860), (10, 191260202), (14, 136614430), (20, 95630101), (28, 68307215), (35, 54645772), (47, 40693660), (70, 27322886), (94, 20346830), (140, 13661443), (188, 10173415), (235, 8138732), (329, 5813380), (470, 4069366), (658, 2906690), (940, 2034683), (1316, 1453345), (1645, 1162676), (3290, 581338), (6580, 290669)]