249485440

素因数分解:

$2^7\times 5^1\times {\mathrm{457}}^1\times {\mathrm{853}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 598431960

約数和(自身を除く): 348946520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 457, 640, 853, 914, 1706, 1828, 2285, 3412, 3656, 4265, 4570, 6824, 7312, 8530, 9140, 13648, 14624, 17060, 18280, 27296, 29248, 34120, 36560, 54592, 58496, 68240, 73120, 109184, 136480, 146240, 272960, 292480, 389821, 545920, 779642, 1559284, 1949105, 3118568, 3898210, 6237136, 7796420, 12474272, 15592840, 24948544, 31185680, 49897088, 62371360, 124742720, 249485440]

約数ペア:

[(1, 249485440), (2, 124742720), (4, 62371360), (5, 49897088), (8, 31185680), (10, 24948544), (16, 15592840), (20, 12474272), (32, 7796420), (40, 6237136), (64, 3898210), (80, 3118568), (128, 1949105), (160, 1559284), (320, 779642), (457, 545920), (640, 389821), (853, 292480), (914, 272960), (1706, 146240), (1828, 136480), (2285, 109184), (3412, 73120), (3656, 68240), (4265, 58496), (4570, 54592), (6824, 36560), (7312, 34120), (8530, 29248), (9140, 27296), (13648, 18280), (14624, 17060)]