251115172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 600606720

約数和(自身を除く): 349491548

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 47, 76, 77, 83, 94, 121, 133, 154, 166, 188, 209, 242, 266, 308, 329, 332, 418, 484, 517, 532, 581, 658, 836, 847, 893, 913, 1034, 1162, 1316, 1463, 1577, 1694, 1786, 1826, 2068, 2299, 2324, 2926, 3154, 3388, 3572, 3619, 3652, 3901, 4598, 5687, 5852, 6251, 6308, 6391, 7238, 7802, 9196, 9823, 10043, 11039, 11374, 12502, 12782, 14476, 15604, 16093, 17347, 19646, 20086, 22078, 22748, 25004, 25564, 27307, 32186, 34694, 39292, 39809, 40172, 42911, 44156, 54614, 64372, 68761, 69388, 70301, 74119, 79618, 85822, 108053, 109228, 121429, 137522, 140602, 148238, 159236, 171644, 190817, 216106, 242858, 275044, 281204, 296476, 300377, 381634, 432212, 472021, 485716, 518833, 600754, 756371, 763268, 815309, 944042, 1037666, 1201508, 1335719, 1512742, 1630618, 1888084, 2075332, 2671438, 3025484, 3261236, 3304147, 5342876, 5707163, 6608294, 8968399, 11414326, 13216588, 17936798, 22828652, 35873596, 62778793, 125557586, 251115172]

約数ペア:

[(1, 251115172), (2, 125557586), (4, 62778793), (7, 35873596), (11, 22828652), (14, 17936798), (19, 13216588), (22, 11414326), (28, 8968399), (38, 6608294), (44, 5707163), (47, 5342876), (76, 3304147), (77, 3261236), (83, 3025484), (94, 2671438), (121, 2075332), (133, 1888084), (154, 1630618), (166, 1512742), (188, 1335719), (209, 1201508), (242, 1037666), (266, 944042), (308, 815309), (329, 763268), (332, 756371), (418, 600754), (484, 518833), (517, 485716), (532, 472021), (581, 432212), (658, 381634), (836, 300377), (847, 296476), (893, 281204), (913, 275044), (1034, 242858), (1162, 216106), (1316, 190817), (1463, 171644), (1577, 159236), (1694, 148238), (1786, 140602), (1826, 137522), (2068, 121429), (2299, 109228), (2324, 108053), (2926, 85822), (3154, 79618), (3388, 74119), (3572, 70301), (3619, 69388), (3652, 68761), (3901, 64372), (4598, 54614), (5687, 44156), (5852, 42911), (6251, 40172), (6308, 39809), (6391, 39292), (7238, 34694), (7802, 32186), (9196, 27307), (9823, 25564), (10043, 25004), (11039, 22748), (11374, 22078), (12502, 20086), (12782, 19646), (14476, 17347), (15604, 16093)]