128017400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13063}}^1$

素因数の和:13093

約数の個数: 72

約数和(自身を含む): 346261320

約数和(自身を除く): 218243920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 13063, 26126, 52252, 65315, 91441, 104504, 130630, 182882, 261260, 326575, 365764, 457205, 522520, 640087, 653150, 731528, 914410, 1280174, 1306300, 1828820, 2286025, 2560348, 2612600, 3200435, 3657640, 4572050, 5120696, 6400870, 9144100, 12801740, 16002175, 18288200, 25603480, 32004350, 64008700, 128017400]

約数ペア:

[(1, 128017400), (2, 64008700), (4, 32004350), (5, 25603480), (7, 18288200), (8, 16002175), (10, 12801740), (14, 9144100), (20, 6400870), (25, 5120696), (28, 4572050), (35, 3657640), (40, 3200435), (49, 2612600), (50, 2560348), (56, 2286025), (70, 1828820), (98, 1306300), (100, 1280174), (140, 914410), (175, 731528), (196, 653150), (200, 640087), (245, 522520), (280, 457205), (350, 365764), (392, 326575), (490, 261260), (700, 182882), (980, 130630), (1225, 104504), (1400, 91441), (1960, 65315), (2450, 52252), (4900, 26126), (9800, 13063)]