3485000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 8856540

約数和(自身を除く): 5371540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 82, 85, 100, 125, 136, 164, 170, 200, 205, 250, 328, 340, 410, 425, 500, 625, 680, 697, 820, 850, 1000, 1025, 1250, 1394, 1640, 1700, 2050, 2125, 2500, 2788, 3400, 3485, 4100, 4250, 5000, 5125, 5576, 6970, 8200, 8500, 10250, 10625, 13940, 17000, 17425, 20500, 21250, 25625, 27880, 34850, 41000, 42500, 51250, 69700, 85000, 87125, 102500, 139400, 174250, 205000, 348500, 435625, 697000, 871250, 1742500, 3485000]

約数ペア:

[(1, 3485000), (2, 1742500), (4, 871250), (5, 697000), (8, 435625), (10, 348500), (17, 205000), (20, 174250), (25, 139400), (34, 102500), (40, 87125), (41, 85000), (50, 69700), (68, 51250), (82, 42500), (85, 41000), (100, 34850), (125, 27880), (136, 25625), (164, 21250), (170, 20500), (200, 17425), (205, 17000), (250, 13940), (328, 10625), (340, 10250), (410, 8500), (425, 8200), (500, 6970), (625, 5576), (680, 5125), (697, 5000), (820, 4250), (850, 4100), (1000, 3485), (1025, 3400), (1250, 2788), (1394, 2500), (1640, 2125), (1700, 2050)]