351423280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337907}}^1$

素因数の和:337933

約数の個数: 40

約数和(自身を含む): 879912432

約数和(自身を除く): 528489152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 337907, 675814, 1351628, 1689535, 2703256, 3379070, 4392791, 5406512, 6758140, 8785582, 13516280, 17571164, 21963955, 27032560, 35142328, 43927910, 70284656, 87855820, 175711640, 351423280]

約数ペア:

[(1, 351423280), (2, 175711640), (4, 87855820), (5, 70284656), (8, 43927910), (10, 35142328), (13, 27032560), (16, 21963955), (20, 17571164), (26, 13516280), (40, 8785582), (52, 6758140), (65, 5406512), (80, 4392791), (104, 3379070), (130, 2703256), (208, 1689535), (260, 1351628), (520, 675814), (1040, 337907)]