16906540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 40848192

約数和(自身を除く): 23941652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 613, 788, 985, 1226, 1379, 1970, 2452, 2758, 3065, 3940, 4291, 5516, 6130, 6895, 8582, 12260, 13790, 17164, 21455, 27580, 42910, 85820, 120761, 241522, 483044, 603805, 845327, 1207610, 1690654, 2415220, 3381308, 4226635, 8453270, 16906540]

約数ペア:

[(1, 16906540), (2, 8453270), (4, 4226635), (5, 3381308), (7, 2415220), (10, 1690654), (14, 1207610), (20, 845327), (28, 603805), (35, 483044), (70, 241522), (140, 120761), (197, 85820), (394, 42910), (613, 27580), (788, 21455), (985, 17164), (1226, 13790), (1379, 12260), (1970, 8582), (2452, 6895), (2758, 6130), (3065, 5516), (3940, 4291)]