686800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 1764396

約数和(自身を除く): 1077596

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 101, 136, 170, 200, 202, 272, 340, 400, 404, 425, 505, 680, 808, 850, 1010, 1360, 1616, 1700, 1717, 2020, 2525, 3400, 3434, 4040, 5050, 6800, 6868, 8080, 8585, 10100, 13736, 17170, 20200, 27472, 34340, 40400, 42925, 68680, 85850, 137360, 171700, 343400, 686800]

約数ペア:

[(1, 686800), (2, 343400), (4, 171700), (5, 137360), (8, 85850), (10, 68680), (16, 42925), (17, 40400), (20, 34340), (25, 27472), (34, 20200), (40, 17170), (50, 13736), (68, 10100), (80, 8585), (85, 8080), (100, 6868), (101, 6800), (136, 5050), (170, 4040), (200, 3434), (202, 3400), (272, 2525), (340, 2020), (400, 1717), (404, 1700), (425, 1616), (505, 1360), (680, 1010), (808, 850)]