309537700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4441}}^1$

素因数の和:4513

約数の個数: 72

約数和(自身を含む): 728718984

約数和(自身を除く): 419181284

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 340, 410, 425, 697, 820, 850, 1025, 1394, 1700, 2050, 2788, 3485, 4100, 4441, 6970, 8882, 13940, 17425, 17764, 22205, 34850, 44410, 69700, 75497, 88820, 111025, 150994, 182081, 222050, 301988, 364162, 377485, 444100, 728324, 754970, 910405, 1509940, 1820810, 1887425, 3095377, 3641620, 3774850, 4552025, 6190754, 7549700, 9104050, 12381508, 15476885, 18208100, 30953770, 61907540, 77384425, 154768850, 309537700]

約数ペア:

[(1, 309537700), (2, 154768850), (4, 77384425), (5, 61907540), (10, 30953770), (17, 18208100), (20, 15476885), (25, 12381508), (34, 9104050), (41, 7549700), (50, 6190754), (68, 4552025), (82, 3774850), (85, 3641620), (100, 3095377), (164, 1887425), (170, 1820810), (205, 1509940), (340, 910405), (410, 754970), (425, 728324), (697, 444100), (820, 377485), (850, 364162), (1025, 301988), (1394, 222050), (1700, 182081), (2050, 150994), (2788, 111025), (3485, 88820), (4100, 75497), (4441, 69700), (6970, 44410), (8882, 34850), (13940, 22205), (17425, 17764)]