78932840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 219974400

約数和(自身を除く): 141041560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 401, 518, 532, 665, 703, 740, 760, 802, 1036, 1064, 1295, 1330, 1406, 1480, 1604, 2005, 2072, 2590, 2660, 2807, 2812, 3208, 3515, 4010, 4921, 5180, 5320, 5614, 5624, 7030, 7619, 8020, 9842, 10360, 11228, 14035, 14060, 14837, 15238, 16040, 19684, 22456, 24605, 28070, 28120, 29674, 30476, 38095, 39368, 49210, 53333, 56140, 59348, 60952, 74185, 76190, 98420, 103859, 106666, 112280, 118696, 148370, 152380, 196840, 207718, 213332, 266665, 281903, 296740, 304760, 415436, 426664, 519295, 533330, 563806, 593480, 830872, 1038590, 1066660, 1127612, 1409515, 1973321, 2077180, 2133320, 2255224, 2819030, 3946642, 4154360, 5638060, 7893284, 9866605, 11276120, 15786568, 19733210, 39466420, 78932840]

約数ペア:

[(1, 78932840), (2, 39466420), (4, 19733210), (5, 15786568), (7, 11276120), (8, 9866605), (10, 7893284), (14, 5638060), (19, 4154360), (20, 3946642), (28, 2819030), (35, 2255224), (37, 2133320), (38, 2077180), (40, 1973321), (56, 1409515), (70, 1127612), (74, 1066660), (76, 1038590), (95, 830872), (133, 593480), (140, 563806), (148, 533330), (152, 519295), (185, 426664), (190, 415436), (259, 304760), (266, 296740), (280, 281903), (296, 266665), (370, 213332), (380, 207718), (401, 196840), (518, 152380), (532, 148370), (665, 118696), (703, 112280), (740, 106666), (760, 103859), (802, 98420), (1036, 76190), (1064, 74185), (1295, 60952), (1330, 59348), (1406, 56140), (1480, 53333), (1604, 49210), (2005, 39368), (2072, 38095), (2590, 30476), (2660, 29674), (2807, 28120), (2812, 28070), (3208, 24605), (3515, 22456), (4010, 19684), (4921, 16040), (5180, 15238), (5320, 14837), (5614, 14060), (5624, 14035), (7030, 11228), (7619, 10360), (8020, 9842)]