320186490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{820991}}^1$

素因数の和:821014

約数の個数: 32

約数和(自身を含む): 827559936

約数和(自身を除く): 507373446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 820991, 1641982, 2462973, 4104955, 4925946, 8209910, 10672883, 12314865, 21345766, 24629730, 32018649, 53364415, 64037298, 106728830, 160093245, 320186490]

約数ペア:

[(1, 320186490), (2, 160093245), (3, 106728830), (5, 64037298), (6, 53364415), (10, 32018649), (13, 24629730), (15, 21345766), (26, 12314865), (30, 10672883), (39, 8209910), (65, 4925946), (78, 4104955), (130, 2462973), (195, 1641982), (390, 820991)]