420553616

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{220879}}^1$

素因数の和:220911

約数の個数: 40

約数和(自身を含む): 986008320

約数和(自身を除く): 565454704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 220879, 441758, 883516, 1546153, 1767032, 3092306, 3534064, 3754943, 6184612, 7509886, 12369224, 15019772, 24738448, 26284601, 30039544, 52569202, 60079088, 105138404, 210276808, 420553616]

約数ペア:

[(1, 420553616), (2, 210276808), (4, 105138404), (7, 60079088), (8, 52569202), (14, 30039544), (16, 26284601), (17, 24738448), (28, 15019772), (34, 12369224), (56, 7509886), (68, 6184612), (112, 3754943), (119, 3534064), (136, 3092306), (238, 1767032), (272, 1546153), (476, 883516), (952, 441758), (1904, 220879)]