157039225

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 233735040

約数和(自身を除く): 76695815

約数列:

[1, 5, 7, 25, 35, 41, 43, 175, 205, 215, 287, 301, 509, 1025, 1075, 1435, 1505, 1763, 2545, 3563, 7175, 7525, 8815, 12341, 12725, 17815, 20869, 21887, 44075, 61705, 89075, 104345, 109435, 146083, 153209, 308525, 521725, 547175, 730415, 766045, 897367, 3652075, 3830225, 4486835, 6281569, 22434175, 31407845, 157039225]

約数ペア:

[(1, 157039225), (5, 31407845), (7, 22434175), (25, 6281569), (35, 4486835), (41, 3830225), (43, 3652075), (175, 897367), (205, 766045), (215, 730415), (287, 547175), (301, 521725), (509, 308525), (1025, 153209), (1075, 146083), (1435, 109435), (1505, 104345), (1763, 89075), (2545, 61705), (3563, 44075), (7175, 21887), (7525, 20869), (8815, 17815), (12341, 12725)]