216556760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{773417}}^1$

素因数の和:773435

約数の個数: 32

約数和(自身を含む): 556860960

約数和(自身を除く): 340304200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 773417, 1546834, 3093668, 3867085, 5413919, 6187336, 7734170, 10827838, 15468340, 21655676, 27069595, 30936680, 43311352, 54139190, 108278380, 216556760]

約数ペア:

[(1, 216556760), (2, 108278380), (4, 54139190), (5, 43311352), (7, 30936680), (8, 27069595), (10, 21655676), (14, 15468340), (20, 10827838), (28, 7734170), (35, 6187336), (40, 5413919), (56, 3867085), (70, 3093668), (140, 1546834), (280, 773417)]