263851980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{628219}}^1$

素因数の和:628238

約数の個数: 48

約数和(自身を含む): 844327680

約数和(自身を除く): 580475700

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, 628219, 1256438, 1884657, 2512876, 3141095, 3769314, 4397533, 6282190, 7538628, 8795066, 9423285, 12564380, 13192599, 17590132, 18846570, 21987665, 26385198, 37693140, 43975330, 52770396, 65962995, 87950660, 131925990, 263851980]

約数ペア:

[(1, 263851980), (2, 131925990), (3, 87950660), (4, 65962995), (5, 52770396), (6, 43975330), (7, 37693140), (10, 26385198), (12, 21987665), (14, 18846570), (15, 17590132), (20, 13192599), (21, 12564380), (28, 9423285), (30, 8795066), (35, 7538628), (42, 6282190), (60, 4397533), (70, 3769314), (84, 3141095), (105, 2512876), (140, 1884657), (210, 1256438), (420, 628219)]