76408780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7687}}^1$

素因数の和:7774

約数の個数: 48

約数和(自身を含む): 185988096

約数和(自身を除く): 109579316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 7687, 9940, 15374, 30748, 38435, 53809, 76870, 107618, 153740, 215236, 269045, 538090, 545777, 1076180, 1091554, 2183108, 2728885, 3820439, 5457770, 7640878, 10915540, 15281756, 19102195, 38204390, 76408780]

約数ペア:

[(1, 76408780), (2, 38204390), (4, 19102195), (5, 15281756), (7, 10915540), (10, 7640878), (14, 5457770), (20, 3820439), (28, 2728885), (35, 2183108), (70, 1091554), (71, 1076180), (140, 545777), (142, 538090), (284, 269045), (355, 215236), (497, 153740), (710, 107618), (994, 76870), (1420, 53809), (1988, 38435), (2485, 30748), (4970, 15374), (7687, 9940)]