200421725

素因数分解:

$5^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{3659}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 285011520

約数和(自身を除く): 84589795

約数列:

[1, 5, 7, 25, 35, 175, 313, 1565, 2191, 3659, 7825, 10955, 18295, 25613, 54775, 91475, 128065, 640325, 1145267, 5726335, 8016869, 28631675, 40084345, 200421725]

約数ペア:

[(1, 200421725), (5, 40084345), (7, 28631675), (25, 8016869), (35, 5726335), (175, 1145267), (313, 640325), (1565, 128065), (2191, 91475), (3659, 54775), (7825, 25613), (10955, 18295)]