139449180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178781}}^1$

素因数の和:178806

約数の個数: 48

約数和(自身を含む): 420495264

約数和(自身を除く): 281046084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178781, 357562, 536343, 715124, 893905, 1072686, 1787810, 2145372, 2324153, 2681715, 3575620, 4648306, 5363430, 6972459, 9296612, 10726860, 11620765, 13944918, 23241530, 27889836, 34862295, 46483060, 69724590, 139449180]

約数ペア:

[(1, 139449180), (2, 69724590), (3, 46483060), (4, 34862295), (5, 27889836), (6, 23241530), (10, 13944918), (12, 11620765), (13, 10726860), (15, 9296612), (20, 6972459), (26, 5363430), (30, 4648306), (39, 3575620), (52, 2681715), (60, 2324153), (65, 2145372), (78, 1787810), (130, 1072686), (156, 893905), (195, 715124), (260, 536343), (390, 357562), (780, 178781)]