2238861880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{1433}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 5095288800

約数和(自身を除く): 2856426920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 281, 556, 562, 695, 1112, 1124, 1390, 1405, 1433, 2248, 2780, 2810, 2866, 5560, 5620, 5732, 7165, 11240, 11464, 14330, 28660, 39059, 57320, 78118, 156236, 195295, 199187, 312472, 390590, 398374, 402673, 781180, 796748, 805346, 995935, 1562360, 1593496, 1610692, 1991870, 2013365, 3221384, 3983740, 4026730, 7967480, 8053460, 16106920, 55971547, 111943094, 223886188, 279857735, 447772376, 559715470, 1119430940, 2238861880]

約数ペア:

[(1, 2238861880), (2, 1119430940), (4, 559715470), (5, 447772376), (8, 279857735), (10, 223886188), (20, 111943094), (40, 55971547), (139, 16106920), (278, 8053460), (281, 7967480), (556, 4026730), (562, 3983740), (695, 3221384), (1112, 2013365), (1124, 1991870), (1390, 1610692), (1405, 1593496), (1433, 1562360), (2248, 995935), (2780, 805346), (2810, 796748), (2866, 781180), (5560, 402673), (5620, 398374), (5732, 390590), (7165, 312472), (11240, 199187), (11464, 195295), (14330, 156236), (28660, 78118), (39059, 57320)]