289331360

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21787}}^1$

素因数の和:21885

約数の個数: 48

約数和(自身を含む): 691812576

約数和(自身を除く): 402481216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 21787, 43574, 87148, 108935, 174296, 217870, 348592, 435740, 697184, 871480, 1742960, 1808321, 3485920, 3616642, 7233284, 9041605, 14466568, 18083210, 28933136, 36166420, 57866272, 72332840, 144665680, 289331360]

約数ペア:

[(1, 289331360), (2, 144665680), (4, 72332840), (5, 57866272), (8, 36166420), (10, 28933136), (16, 18083210), (20, 14466568), (32, 9041605), (40, 7233284), (80, 3616642), (83, 3485920), (160, 1808321), (166, 1742960), (332, 871480), (415, 697184), (664, 435740), (830, 348592), (1328, 217870), (1660, 174296), (2656, 108935), (3320, 87148), (6640, 43574), (13280, 21787)]