207866780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 508999680

約数和(自身を除く): 301132900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 124, 145, 155, 220, 290, 310, 319, 341, 580, 620, 638, 682, 899, 1051, 1276, 1364, 1595, 1705, 1798, 2102, 3190, 3410, 3596, 4204, 4495, 5255, 6380, 6820, 8990, 9889, 10510, 11561, 17980, 19778, 21020, 23122, 30479, 32581, 39556, 46244, 49445, 57805, 60958, 65162, 98890, 115610, 121916, 130324, 152395, 162905, 197780, 231220, 304790, 325810, 335269, 358391, 609580, 651620, 670538, 716782, 944849, 1341076, 1433564, 1676345, 1791955, 1889698, 3352690, 3583910, 3779396, 4724245, 6705380, 7167820, 9448490, 10393339, 18896980, 20786678, 41573356, 51966695, 103933390, 207866780]

約数ペア:

[(1, 207866780), (2, 103933390), (4, 51966695), (5, 41573356), (10, 20786678), (11, 18896980), (20, 10393339), (22, 9448490), (29, 7167820), (31, 6705380), (44, 4724245), (55, 3779396), (58, 3583910), (62, 3352690), (110, 1889698), (116, 1791955), (124, 1676345), (145, 1433564), (155, 1341076), (220, 944849), (290, 716782), (310, 670538), (319, 651620), (341, 609580), (580, 358391), (620, 335269), (638, 325810), (682, 304790), (899, 231220), (1051, 197780), (1276, 162905), (1364, 152395), (1595, 130324), (1705, 121916), (1798, 115610), (2102, 98890), (3190, 65162), (3410, 60958), (3596, 57805), (4204, 49445), (4495, 46244), (5255, 39556), (6380, 32581), (6820, 30479), (8990, 23122), (9889, 21020), (10510, 19778), (11561, 17980)]