380806760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 871516800

約数和(自身を除く): 490710040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 167, 218, 334, 436, 523, 545, 668, 835, 872, 1046, 1090, 1336, 1670, 2092, 2180, 2615, 3340, 4184, 4360, 5230, 6680, 10460, 18203, 20920, 36406, 57007, 72812, 87341, 91015, 114014, 145624, 174682, 182030, 228028, 285035, 349364, 364060, 436705, 456056, 570070, 698728, 728120, 873410, 1140140, 1746820, 2280280, 3493640, 9520169, 19040338, 38080676, 47600845, 76161352, 95201690, 190403380, 380806760]

約数ペア:

[(1, 380806760), (2, 190403380), (4, 95201690), (5, 76161352), (8, 47600845), (10, 38080676), (20, 19040338), (40, 9520169), (109, 3493640), (167, 2280280), (218, 1746820), (334, 1140140), (436, 873410), (523, 728120), (545, 698728), (668, 570070), (835, 456056), (872, 436705), (1046, 364060), (1090, 349364), (1336, 285035), (1670, 228028), (2092, 182030), (2180, 174682), (2615, 145624), (3340, 114014), (4184, 91015), (4360, 87341), (5230, 72812), (6680, 57007), (10460, 36406), (18203, 20920)]