319150020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{759881}}^1$

素因数の和:759900

約数の個数: 48

約数和(自身を含む): 1021281408

約数和(自身を除く): 702131388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 759881, 1519762, 2279643, 3039524, 3799405, 4559286, 5319167, 7598810, 9118572, 10638334, 11398215, 15197620, 15957501, 21276668, 22796430, 26595835, 31915002, 45592860, 53191670, 63830004, 79787505, 106383340, 159575010, 319150020]

約数ペア:

[(1, 319150020), (2, 159575010), (3, 106383340), (4, 79787505), (5, 63830004), (6, 53191670), (7, 45592860), (10, 31915002), (12, 26595835), (14, 22796430), (15, 21276668), (20, 15957501), (21, 15197620), (28, 11398215), (30, 10638334), (35, 9118572), (42, 7598810), (60, 5319167), (70, 4559286), (84, 3799405), (105, 3039524), (140, 2279643), (210, 1519762), (420, 759881)]