128535550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17977}}^1$

素因数の和:18013

約数の個数: 48

約数和(自身を含む): 280888272

約数和(自身を除く): 152352722

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 17977, 35954, 89885, 179770, 197747, 233701, 395494, 449425, 467402, 898850, 988735, 1168505, 1977470, 2337010, 2570711, 4943675, 5141422, 5842525, 9887350, 11685050, 12853555, 25707110, 64267775, 128535550]

約数ペア:

[(1, 128535550), (2, 64267775), (5, 25707110), (10, 12853555), (11, 11685050), (13, 9887350), (22, 5842525), (25, 5141422), (26, 4943675), (50, 2570711), (55, 2337010), (65, 1977470), (110, 1168505), (130, 988735), (143, 898850), (275, 467402), (286, 449425), (325, 395494), (550, 233701), (650, 197747), (715, 179770), (1430, 89885), (3575, 35954), (7150, 17977)]