179390900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137993}}^1$

素因数の和:138020

約数の個数: 36

約数和(自身を含む): 419225772

約数和(自身を除く): 239834872

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 137993, 275986, 551972, 689965, 1379930, 1793909, 2759860, 3449825, 3587818, 6899650, 7175636, 8969545, 13799300, 17939090, 35878180, 44847725, 89695450, 179390900]

約数ペア:

[(1, 179390900), (2, 89695450), (4, 44847725), (5, 35878180), (10, 17939090), (13, 13799300), (20, 8969545), (25, 7175636), (26, 6899650), (50, 3587818), (52, 3449825), (65, 2759860), (100, 1793909), (130, 1379930), (260, 689965), (325, 551972), (650, 275986), (1300, 137993)]