205125400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{60331}}^1$

素因数の和:60364

約数の個数: 48

約数和(自身を含む): 504978840

約数和(自身を除く): 299853440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 60331, 120662, 241324, 301655, 482648, 603310, 1025627, 1206620, 1508275, 2051254, 2413240, 3016550, 4102508, 5128135, 6033100, 8205016, 10256270, 12066200, 20512540, 25640675, 41025080, 51281350, 102562700, 205125400]

約数ペア:

[(1, 205125400), (2, 102562700), (4, 51281350), (5, 41025080), (8, 25640675), (10, 20512540), (17, 12066200), (20, 10256270), (25, 8205016), (34, 6033100), (40, 5128135), (50, 4102508), (68, 3016550), (85, 2413240), (100, 2051254), (136, 1508275), (170, 1206620), (200, 1025627), (340, 603310), (425, 482648), (680, 301655), (850, 241324), (1700, 120662), (3400, 60331)]