78240890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 174956544

約数和(自身を除く): 96715654

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 127, 130, 182, 254, 455, 635, 677, 889, 910, 1270, 1354, 1651, 1778, 3302, 3385, 4445, 4739, 6770, 8255, 8801, 8890, 9478, 11557, 16510, 17602, 23114, 23695, 44005, 47390, 57785, 61607, 85979, 88010, 115570, 123214, 171958, 308035, 429895, 601853, 616070, 859790, 1117727, 1203706, 2235454, 3009265, 5588635, 6018530, 7824089, 11177270, 15648178, 39120445, 78240890]

約数ペア:

[(1, 78240890), (2, 39120445), (5, 15648178), (7, 11177270), (10, 7824089), (13, 6018530), (14, 5588635), (26, 3009265), (35, 2235454), (65, 1203706), (70, 1117727), (91, 859790), (127, 616070), (130, 601853), (182, 429895), (254, 308035), (455, 171958), (635, 123214), (677, 115570), (889, 88010), (910, 85979), (1270, 61607), (1354, 57785), (1651, 47390), (1778, 44005), (3302, 23695), (3385, 23114), (4445, 17602), (4739, 16510), (6770, 11557), (8255, 9478), (8801, 8890)]