187614440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{857}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 456215760

約数和(自身を除く): 268601320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 421, 520, 842, 857, 1684, 1714, 2105, 3368, 3428, 4210, 4285, 5473, 6856, 8420, 8570, 10946, 11141, 16840, 17140, 21892, 22282, 27365, 34280, 43784, 44564, 54730, 55705, 89128, 109460, 111410, 218920, 222820, 360797, 445640, 721594, 1443188, 1803985, 2886376, 3607970, 4690361, 7215940, 9380722, 14431880, 18761444, 23451805, 37522888, 46903610, 93807220, 187614440]

約数ペア:

[(1, 187614440), (2, 93807220), (4, 46903610), (5, 37522888), (8, 23451805), (10, 18761444), (13, 14431880), (20, 9380722), (26, 7215940), (40, 4690361), (52, 3607970), (65, 2886376), (104, 1803985), (130, 1443188), (260, 721594), (421, 445640), (520, 360797), (842, 222820), (857, 218920), (1684, 111410), (1714, 109460), (2105, 89128), (3368, 55705), (3428, 54730), (4210, 44564), (4285, 43784), (5473, 34280), (6856, 27365), (8420, 22282), (8570, 21892), (10946, 17140), (11141, 16840)]