2319940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 5668992

約数和(自身を除く): 3349052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 227, 292, 365, 454, 511, 730, 908, 1022, 1135, 1460, 1589, 2044, 2270, 2555, 3178, 4540, 5110, 6356, 7945, 10220, 15890, 16571, 31780, 33142, 66284, 82855, 115997, 165710, 231994, 331420, 463988, 579985, 1159970, 2319940]

約数ペア:

[(1, 2319940), (2, 1159970), (4, 579985), (5, 463988), (7, 331420), (10, 231994), (14, 165710), (20, 115997), (28, 82855), (35, 66284), (70, 33142), (73, 31780), (140, 16571), (146, 15890), (227, 10220), (292, 7945), (365, 6356), (454, 5110), (511, 4540), (730, 3178), (908, 2555), (1022, 2270), (1135, 2044), (1460, 1589)]