65398700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 148032192

約数和(自身を除く): 82633492

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 67, 86, 100, 134, 172, 215, 227, 268, 335, 430, 454, 670, 860, 908, 1075, 1135, 1340, 1675, 2150, 2270, 2881, 3350, 4300, 4540, 5675, 5762, 6700, 9761, 11350, 11524, 14405, 15209, 19522, 22700, 28810, 30418, 39044, 48805, 57620, 60836, 72025, 76045, 97610, 144050, 152090, 195220, 244025, 288100, 304180, 380225, 488050, 653987, 760450, 976100, 1307974, 1520900, 2615948, 3269935, 6539870, 13079740, 16349675, 32699350, 65398700]

約数ペア:

[(1, 65398700), (2, 32699350), (4, 16349675), (5, 13079740), (10, 6539870), (20, 3269935), (25, 2615948), (43, 1520900), (50, 1307974), (67, 976100), (86, 760450), (100, 653987), (134, 488050), (172, 380225), (215, 304180), (227, 288100), (268, 244025), (335, 195220), (430, 152090), (454, 144050), (670, 97610), (860, 76045), (908, 72025), (1075, 60836), (1135, 57620), (1340, 48805), (1675, 39044), (2150, 30418), (2270, 28810), (2881, 22700), (3350, 19522), (4300, 15209), (4540, 14405), (5675, 11524), (5762, 11350), (6700, 9761)]