2178768760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409543}}^1$

素因数の和:409580

約数の個数: 64

約数和(自身を含む): 5897433600

約数和(自身を除く): 3718664840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 409543, 819086, 1638172, 2047715, 2866801, 3276344, 4095430, 5733602, 7781317, 8190860, 11467204, 14334005, 15562634, 16381720, 22934408, 28668010, 31125268, 38906585, 54469219, 57336020, 62250536, 77813170, 108938438, 114672040, 155626340, 217876876, 272346095, 311252680, 435753752, 544692190, 1089384380, 2178768760]

約数ペア:

[(1, 2178768760), (2, 1089384380), (4, 544692190), (5, 435753752), (7, 311252680), (8, 272346095), (10, 217876876), (14, 155626340), (19, 114672040), (20, 108938438), (28, 77813170), (35, 62250536), (38, 57336020), (40, 54469219), (56, 38906585), (70, 31125268), (76, 28668010), (95, 22934408), (133, 16381720), (140, 15562634), (152, 14334005), (190, 11467204), (266, 8190860), (280, 7781317), (380, 5733602), (532, 4095430), (665, 3276344), (760, 2866801), (1064, 2047715), (1330, 1638172), (2660, 819086), (5320, 409543)]