220485716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 454745088

約数和(自身を除く): 234259372

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 127, 187, 211, 242, 254, 374, 422, 484, 508, 748, 844, 1397, 2057, 2159, 2321, 2794, 3587, 4114, 4318, 4642, 5588, 7174, 8228, 8636, 9284, 14348, 15367, 23749, 25531, 26797, 30734, 39457, 47498, 51062, 53594, 61468, 78914, 94996, 102124, 107188, 157828, 261239, 294767, 434027, 455549, 522478, 589534, 868054, 911098, 1044956, 1179068, 1736108, 1822196, 3242437, 5011039, 6484874, 10022078, 12969748, 20044156, 55121429, 110242858, 220485716]

約数ペア:

[(1, 220485716), (2, 110242858), (4, 55121429), (11, 20044156), (17, 12969748), (22, 10022078), (34, 6484874), (44, 5011039), (68, 3242437), (121, 1822196), (127, 1736108), (187, 1179068), (211, 1044956), (242, 911098), (254, 868054), (374, 589534), (422, 522478), (484, 455549), (508, 434027), (748, 294767), (844, 261239), (1397, 157828), (2057, 107188), (2159, 102124), (2321, 94996), (2794, 78914), (3587, 61468), (4114, 53594), (4318, 51062), (4642, 47498), (5588, 39457), (7174, 30734), (8228, 26797), (8636, 25531), (9284, 23749), (14348, 15367)]