901880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3221}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 2319840

約数和(自身を除く): 1417960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3221, 6442, 12884, 16105, 22547, 25768, 32210, 45094, 64420, 90188, 112735, 128840, 180376, 225470, 450940, 901880]

約数ペア:

[(1, 901880), (2, 450940), (4, 225470), (5, 180376), (7, 128840), (8, 112735), (10, 90188), (14, 64420), (20, 45094), (28, 32210), (35, 25768), (40, 22547), (56, 16105), (70, 12884), (140, 6442), (280, 3221)]