178516780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{36137}}^1$

素因数の和:36178

約数の個数: 48

約数和(自身を含む): 424982880

約数和(自身を除く): 246466100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 36137, 72274, 144548, 180685, 361370, 469781, 686603, 722740, 939562, 1373206, 1879124, 2348905, 2746412, 3433015, 4697810, 6866030, 8925839, 9395620, 13732060, 17851678, 35703356, 44629195, 89258390, 178516780]

約数ペア:

[(1, 178516780), (2, 89258390), (4, 44629195), (5, 35703356), (10, 17851678), (13, 13732060), (19, 9395620), (20, 8925839), (26, 6866030), (38, 4697810), (52, 3433015), (65, 2746412), (76, 2348905), (95, 1879124), (130, 1373206), (190, 939562), (247, 722740), (260, 686603), (380, 469781), (494, 361370), (988, 180685), (1235, 144548), (2470, 72274), (4940, 36137)]