180973910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{9343}}^1$

素因数の和:9512

約数の個数: 32

約数和(自身を含む): 353203200

約数和(自身を除く): 172229290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9343, 9685, 18686, 19370, 46715, 93430, 121459, 242918, 607295, 1214590, 1392107, 2784214, 6960535, 13921070, 18097391, 36194782, 90486955, 180973910]

約数ペア:

[(1, 180973910), (2, 90486955), (5, 36194782), (10, 18097391), (13, 13921070), (26, 6960535), (65, 2784214), (130, 1392107), (149, 1214590), (298, 607295), (745, 242918), (1490, 121459), (1937, 93430), (3874, 46715), (9343, 19370), (9685, 18686)]