198091880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1597}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 510848640

約数和(自身を除く): 312756760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 886, 1597, 1772, 2215, 3101, 3194, 3544, 4430, 6202, 6388, 7985, 8860, 11179, 12404, 12776, 15505, 15970, 17720, 22358, 24808, 31010, 31940, 44716, 55895, 62020, 63880, 89432, 111790, 124040, 223580, 447160, 707471, 1414942, 2829884, 3537355, 4952297, 5659768, 7074710, 9904594, 14149420, 19809188, 24761485, 28298840, 39618376, 49522970, 99045940, 198091880]

約数ペア:

[(1, 198091880), (2, 99045940), (4, 49522970), (5, 39618376), (7, 28298840), (8, 24761485), (10, 19809188), (14, 14149420), (20, 9904594), (28, 7074710), (35, 5659768), (40, 4952297), (56, 3537355), (70, 2829884), (140, 1414942), (280, 707471), (443, 447160), (886, 223580), (1597, 124040), (1772, 111790), (2215, 89432), (3101, 63880), (3194, 62020), (3544, 55895), (4430, 44716), (6202, 31940), (6388, 31010), (7985, 24808), (8860, 22358), (11179, 17720), (12404, 15970), (12776, 15505)]