2159690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 4309200

約数和(自身を除く): 2149510

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 449, 481, 898, 962, 2245, 2405, 4490, 4810, 5837, 11674, 16613, 29185, 33226, 58370, 83065, 166130, 215969, 431938, 1079845, 2159690]

約数ペア:

[(1, 2159690), (2, 1079845), (5, 431938), (10, 215969), (13, 166130), (26, 83065), (37, 58370), (65, 33226), (74, 29185), (130, 16613), (185, 11674), (370, 5837), (449, 4810), (481, 4490), (898, 2405), (962, 2245)]