1878167330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{4253}}^1$

素因数の和:4395

約数の個数: 64

約数和(自身を含む): 3773468160

約数和(自身を除く): 1895300830

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 79, 86, 130, 158, 215, 395, 430, 559, 790, 1027, 1118, 2054, 2795, 3397, 4253, 5135, 5590, 6794, 8506, 10270, 16985, 21265, 33970, 42530, 44161, 55289, 88322, 110578, 182879, 220805, 276445, 335987, 365758, 441610, 552890, 671974, 914395, 1679935, 1828790, 2377427, 3359870, 4367831, 4754854, 8735662, 11887135, 14447441, 21839155, 23774270, 28894882, 43678310, 72237205, 144474410, 187816733, 375633466, 939083665, 1878167330]

約数ペア:

[(1, 1878167330), (2, 939083665), (5, 375633466), (10, 187816733), (13, 144474410), (26, 72237205), (43, 43678310), (65, 28894882), (79, 23774270), (86, 21839155), (130, 14447441), (158, 11887135), (215, 8735662), (395, 4754854), (430, 4367831), (559, 3359870), (790, 2377427), (1027, 1828790), (1118, 1679935), (2054, 914395), (2795, 671974), (3397, 552890), (4253, 441610), (5135, 365758), (5590, 335987), (6794, 276445), (8506, 220805), (10270, 182879), (16985, 110578), (21265, 88322), (33970, 55289), (42530, 44161)]