290790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{359}}^1$

素因数の和:378

約数の個数: 40

約数和(自身を含む): 784080

約数和(自身を除く): 493290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 359, 405, 718, 810, 1077, 1795, 2154, 3231, 3590, 5385, 6462, 9693, 10770, 16155, 19386, 29079, 32310, 48465, 58158, 96930, 145395, 290790]

約数ペア:

[(1, 290790), (2, 145395), (3, 96930), (5, 58158), (6, 48465), (9, 32310), (10, 29079), (15, 19386), (18, 16155), (27, 10770), (30, 9693), (45, 6462), (54, 5385), (81, 3590), (90, 3231), (135, 2154), (162, 1795), (270, 1077), (359, 810), (405, 718)]