77284420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 91636220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 227, 290, 454, 580, 587, 908, 1135, 1174, 2270, 2348, 2935, 4540, 5870, 6583, 11740, 13166, 17023, 26332, 32915, 34046, 65830, 68092, 85115, 131660, 133249, 170230, 266498, 340460, 532996, 666245, 1332490, 2664980, 3864221, 7728442, 15456884, 19321105, 38642210, 77284420]

約数ペア:

[(1, 77284420), (2, 38642210), (4, 19321105), (5, 15456884), (10, 7728442), (20, 3864221), (29, 2664980), (58, 1332490), (116, 666245), (145, 532996), (227, 340460), (290, 266498), (454, 170230), (580, 133249), (587, 131660), (908, 85115), (1135, 68092), (1174, 65830), (2270, 34046), (2348, 32915), (2935, 26332), (4540, 17023), (5870, 13166), (6583, 11740)]