189015980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3499}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 413364000

約数和(自身を除く): 224348020

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1460, 2701, 3499, 5402, 6998, 10804, 13505, 13996, 17495, 27010, 34990, 54020, 69980, 129463, 255427, 258926, 510854, 517852, 647315, 1021708, 1277135, 1294630, 2554270, 2589260, 5108540, 9450799, 18901598, 37803196, 47253995, 94507990, 189015980]

約数ペア:

[(1, 189015980), (2, 94507990), (4, 47253995), (5, 37803196), (10, 18901598), (20, 9450799), (37, 5108540), (73, 2589260), (74, 2554270), (146, 1294630), (148, 1277135), (185, 1021708), (292, 647315), (365, 517852), (370, 510854), (730, 258926), (740, 255427), (1460, 129463), (2701, 69980), (3499, 54020), (5402, 34990), (6998, 27010), (10804, 17495), (13505, 13996)]