254605325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 360976896

約数和(自身を除く): 106371571

約数列:

[1, 5, 13, 25, 31, 37, 65, 155, 185, 325, 403, 481, 683, 775, 925, 1147, 2015, 2405, 3415, 5735, 8879, 10075, 12025, 14911, 17075, 21173, 25271, 28675, 44395, 74555, 105865, 126355, 221975, 275249, 328523, 372775, 529325, 631775, 783401, 1376245, 1642615, 3917005, 6881225, 8213075, 10184213, 19585025, 50921065, 254605325]

約数ペア:

[(1, 254605325), (5, 50921065), (13, 19585025), (25, 10184213), (31, 8213075), (37, 6881225), (65, 3917005), (155, 1642615), (185, 1376245), (325, 783401), (403, 631775), (481, 529325), (683, 372775), (775, 328523), (925, 275249), (1147, 221975), (2015, 126355), (2405, 105865), (3415, 74555), (5735, 44395), (8879, 28675), (10075, 25271), (12025, 21173), (14911, 17075)]