261585380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{4001}}^1$

素因数の和:4484

約数の個数: 48

約数和(自身を含む): 629306496

約数和(自身を除く): 367721116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 467, 934, 1868, 2335, 3269, 4001, 4670, 6538, 8002, 9340, 13076, 16004, 16345, 20005, 28007, 32690, 40010, 56014, 65380, 80020, 112028, 140035, 280070, 560140, 1868467, 3736934, 7473868, 9342335, 13079269, 18684670, 26158538, 37369340, 52317076, 65396345, 130792690, 261585380]

約数ペア:

[(1, 261585380), (2, 130792690), (4, 65396345), (5, 52317076), (7, 37369340), (10, 26158538), (14, 18684670), (20, 13079269), (28, 9342335), (35, 7473868), (70, 3736934), (140, 1868467), (467, 560140), (934, 280070), (1868, 140035), (2335, 112028), (3269, 80020), (4001, 65380), (4670, 56014), (6538, 40010), (8002, 32690), (9340, 28007), (13076, 20005), (16004, 16345)]