42420175

素因数分解:

$5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 60440576

約数和(自身を除く): 18020401

約数列:

[1, 5, 7, 25, 35, 175, 223, 1087, 1115, 1561, 5435, 5575, 7609, 7805, 27175, 38045, 39025, 190225, 242401, 1212005, 1696807, 6060025, 8484035, 42420175]

約数ペア:

[(1, 42420175), (5, 8484035), (7, 6060025), (25, 1696807), (35, 1212005), (175, 242401), (223, 190225), (1087, 39025), (1115, 38045), (1561, 27175), (5435, 7805), (5575, 7609)]