328045240

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{13249}}^1$

素因数の和:13879

約数の個数: 32

約数和(自身を含む): 739350000

約数和(自身を除く): 411304760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 4952, 6190, 12380, 13249, 24760, 26498, 52996, 66245, 105992, 132490, 264980, 529960, 8201131, 16402262, 32804524, 41005655, 65609048, 82011310, 164022620, 328045240]

約数ペア:

[(1, 328045240), (2, 164022620), (4, 82011310), (5, 65609048), (8, 41005655), (10, 32804524), (20, 16402262), (40, 8201131), (619, 529960), (1238, 264980), (2476, 132490), (3095, 105992), (4952, 66245), (6190, 52996), (12380, 26498), (13249, 24760)]