1394000

素因数分解:

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

素因数の和:81

約数の個数: 80

約数和(自身を含む): 3656016

約数和(自身を除く): 2262016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 80, 82, 85, 100, 125, 136, 164, 170, 200, 205, 250, 272, 328, 340, 400, 410, 425, 500, 656, 680, 697, 820, 850, 1000, 1025, 1360, 1394, 1640, 1700, 2000, 2050, 2125, 2788, 3280, 3400, 3485, 4100, 4250, 5125, 5576, 6800, 6970, 8200, 8500, 10250, 11152, 13940, 16400, 17000, 17425, 20500, 27880, 34000, 34850, 41000, 55760, 69700, 82000, 87125, 139400, 174250, 278800, 348500, 697000, 1394000]

約数ペア:

[(1, 1394000), (2, 697000), (4, 348500), (5, 278800), (8, 174250), (10, 139400), (16, 87125), (17, 82000), (20, 69700), (25, 55760), (34, 41000), (40, 34850), (41, 34000), (50, 27880), (68, 20500), (80, 17425), (82, 17000), (85, 16400), (100, 13940), (125, 11152), (136, 10250), (164, 8500), (170, 8200), (200, 6970), (205, 6800), (250, 5576), (272, 5125), (328, 4250), (340, 4100), (400, 3485), (410, 3400), (425, 3280), (500, 2788), (656, 2125), (680, 2050), (697, 2000), (820, 1700), (850, 1640), (1000, 1394), (1025, 1360)]