2785549780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1949}}^1$

素因数の和:2233

約数の個数: 96

約数和(自身を含む): 6604416000

約数和(自身を除く): 3818866220

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 239, 260, 299, 460, 478, 598, 956, 1195, 1196, 1495, 1949, 2390, 2990, 3107, 3898, 4780, 5497, 5980, 6214, 7796, 9745, 10994, 12428, 15535, 19490, 21988, 25337, 27485, 31070, 38980, 44827, 50674, 54970, 62140, 71461, 89654, 101348, 109940, 126685, 142922, 179308, 224135, 253370, 285844, 357305, 448270, 465811, 506740, 582751, 714610, 896540, 931622, 1165502, 1429220, 1863244, 2329055, 2331004, 2913755, 4658110, 5827510, 6055543, 9316220, 10713653, 11655020, 12111086, 21427306, 24222172, 30277715, 42854612, 53568265, 60555430, 107136530, 121110860, 139277489, 214273060, 278554978, 557109956, 696387445, 1392774890, 2785549780]

約数ペア:

[(1, 2785549780), (2, 1392774890), (4, 696387445), (5, 557109956), (10, 278554978), (13, 214273060), (20, 139277489), (23, 121110860), (26, 107136530), (46, 60555430), (52, 53568265), (65, 42854612), (92, 30277715), (115, 24222172), (130, 21427306), (230, 12111086), (239, 11655020), (260, 10713653), (299, 9316220), (460, 6055543), (478, 5827510), (598, 4658110), (956, 2913755), (1195, 2331004), (1196, 2329055), (1495, 1863244), (1949, 1429220), (2390, 1165502), (2990, 931622), (3107, 896540), (3898, 714610), (4780, 582751), (5497, 506740), (5980, 465811), (6214, 448270), (7796, 357305), (9745, 285844), (10994, 253370), (12428, 224135), (15535, 179308), (19490, 142922), (21988, 126685), (25337, 109940), (27485, 101348), (31070, 89654), (38980, 71461), (44827, 62140), (50674, 54970)]