213817860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{395959}}^1$

素因数の和:395977

約数の個数: 48

約数和(自身を含む): 665212800

約数和(自身を除く): 451394940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 395959, 791918, 1187877, 1583836, 1979795, 2375754, 3563631, 3959590, 4751508, 5939385, 7127262, 7919180, 10690893, 11878770, 14254524, 17818155, 21381786, 23757540, 35636310, 42763572, 53454465, 71272620, 106908930, 213817860]

約数ペア:

[(1, 213817860), (2, 106908930), (3, 71272620), (4, 53454465), (5, 42763572), (6, 35636310), (9, 23757540), (10, 21381786), (12, 17818155), (15, 14254524), (18, 11878770), (20, 10690893), (27, 7919180), (30, 7127262), (36, 5939385), (45, 4751508), (54, 3959590), (60, 3563631), (90, 2375754), (108, 1979795), (135, 1583836), (180, 1187877), (270, 791918), (540, 395959)]