217372225

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 322300800

約数和(自身を除く): 104928575

約数列:

[1, 5, 7, 25, 35, 37, 59, 175, 185, 259, 295, 413, 569, 925, 1295, 1475, 2065, 2183, 2845, 3983, 6475, 10325, 10915, 14225, 15281, 19915, 21053, 33571, 54575, 76405, 99575, 105265, 147371, 167855, 234997, 382025, 526325, 736855, 839275, 1174985, 1242127, 3684275, 5874925, 6210635, 8694889, 31053175, 43474445, 217372225]

約数ペア:

[(1, 217372225), (5, 43474445), (7, 31053175), (25, 8694889), (35, 6210635), (37, 5874925), (59, 3684275), (175, 1242127), (185, 1174985), (259, 839275), (295, 736855), (413, 526325), (569, 382025), (925, 234997), (1295, 167855), (1475, 147371), (2065, 105265), (2183, 99575), (2845, 76405), (3983, 54575), (6475, 33571), (10325, 21053), (10915, 19915), (14225, 15281)]