327880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1171}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 843840

約数和(自身を除く): 515960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1171, 2342, 4684, 5855, 8197, 9368, 11710, 16394, 23420, 32788, 40985, 46840, 65576, 81970, 163940, 327880]

約数ペア:

[(1, 327880), (2, 163940), (4, 81970), (5, 65576), (7, 46840), (8, 40985), (10, 32788), (14, 23420), (20, 16394), (28, 11710), (35, 9368), (40, 8197), (56, 5855), (70, 4684), (140, 2342), (280, 1171)]