380038720

素因数分解:

$2^6\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1847}}^1$

素因数の和:2507

約数の個数: 56

約数和(自身を含む): 906865344

約数和(自身を除く): 526826624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 643, 1286, 1847, 2572, 3215, 3694, 5144, 6430, 7388, 9235, 10288, 12860, 14776, 18470, 20576, 25720, 29552, 36940, 41152, 51440, 59104, 73880, 102880, 118208, 147760, 205760, 295520, 591040, 1187621, 2375242, 4750484, 5938105, 9500968, 11876210, 19001936, 23752420, 38003872, 47504840, 76007744, 95009680, 190019360, 380038720]

約数ペア:

[(1, 380038720), (2, 190019360), (4, 95009680), (5, 76007744), (8, 47504840), (10, 38003872), (16, 23752420), (20, 19001936), (32, 11876210), (40, 9500968), (64, 5938105), (80, 4750484), (160, 2375242), (320, 1187621), (643, 591040), (1286, 295520), (1847, 205760), (2572, 147760), (3215, 118208), (3694, 102880), (5144, 73880), (6430, 59104), (7388, 51440), (9235, 41152), (10288, 36940), (12860, 29552), (14776, 25720), (18470, 20576)]