209173770

素因数分解:

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

素因数の和:178807

約数の個数: 48

約数和(自身を含む): 585689832

約数和(自身を除く): 376516062

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 178781, 357562, 536343, 893905, 1072686, 1609029, 1787810, 2324153, 2681715, 3218058, 4648306, 5363430, 6972459, 8045145, 11620765, 13944918, 16090290, 20917377, 23241530, 34862295, 41834754, 69724590, 104586885, 209173770]

約数ペア:

[(1, 209173770), (2, 104586885), (3, 69724590), (5, 41834754), (6, 34862295), (9, 23241530), (10, 20917377), (13, 16090290), (15, 13944918), (18, 11620765), (26, 8045145), (30, 6972459), (39, 5363430), (45, 4648306), (65, 3218058), (78, 2681715), (90, 2324153), (117, 1787810), (130, 1609029), (195, 1072686), (234, 893905), (390, 536343), (585, 357562), (1170, 178781)]