487717825

素因数分解:

$5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 738916992

約数和(自身を除く): 251199167

約数列:

[1, 5, 7, 25, 35, 43, 47, 49, 175, 197, 215, 235, 245, 301, 329, 985, 1075, 1175, 1225, 1379, 1505, 1645, 2021, 2107, 2303, 4925, 6895, 7525, 8225, 8471, 9259, 9653, 10105, 10535, 11515, 14147, 34475, 42355, 46295, 48265, 50525, 52675, 57575, 59297, 64813, 70735, 99029, 211775, 231475, 241325, 296485, 324065, 353675, 398137, 415079, 453691, 495145, 1482425, 1620325, 1990685, 2075395, 2268455, 2475725, 2786959, 9953425, 10376975, 11342275, 13934795, 19508713, 69673975, 97543565, 487717825]

約数ペア:

[(1, 487717825), (5, 97543565), (7, 69673975), (25, 19508713), (35, 13934795), (43, 11342275), (47, 10376975), (49, 9953425), (175, 2786959), (197, 2475725), (215, 2268455), (235, 2075395), (245, 1990685), (301, 1620325), (329, 1482425), (985, 495145), (1075, 453691), (1175, 415079), (1225, 398137), (1379, 353675), (1505, 324065), (1645, 296485), (2021, 241325), (2107, 231475), (2303, 211775), (4925, 99029), (6895, 70735), (7525, 64813), (8225, 59297), (8471, 57575), (9259, 52675), (9653, 50525), (10105, 48265), (10535, 46295), (11515, 42355), (14147, 34475)]