649968220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 1538482176

約数和(自身を除く): 888513956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 127, 172, 215, 220, 254, 430, 473, 508, 541, 635, 860, 946, 1082, 1270, 1397, 1892, 2164, 2365, 2540, 2705, 2794, 4730, 5410, 5461, 5588, 5951, 6985, 9460, 10820, 10922, 11902, 13970, 21844, 23263, 23804, 27305, 27940, 29755, 46526, 54610, 59510, 60071, 68707, 93052, 109220, 116315, 119020, 120142, 137414, 232630, 240284, 255893, 274828, 300355, 343535, 465260, 511786, 600710, 687070, 755777, 1023572, 1201420, 1279465, 1374140, 1511554, 2558930, 2954401, 3023108, 3778885, 5117860, 5908802, 7557770, 11817604, 14772005, 15115540, 29544010, 32498411, 59088020, 64996822, 129993644, 162492055, 324984110, 649968220]

約数ペア:

[(1, 649968220), (2, 324984110), (4, 162492055), (5, 129993644), (10, 64996822), (11, 59088020), (20, 32498411), (22, 29544010), (43, 15115540), (44, 14772005), (55, 11817604), (86, 7557770), (110, 5908802), (127, 5117860), (172, 3778885), (215, 3023108), (220, 2954401), (254, 2558930), (430, 1511554), (473, 1374140), (508, 1279465), (541, 1201420), (635, 1023572), (860, 755777), (946, 687070), (1082, 600710), (1270, 511786), (1397, 465260), (1892, 343535), (2164, 300355), (2365, 274828), (2540, 255893), (2705, 240284), (2794, 232630), (4730, 137414), (5410, 120142), (5461, 119020), (5588, 116315), (5951, 109220), (6985, 93052), (9460, 68707), (10820, 60071), (10922, 59510), (11902, 54610), (13970, 46526), (21844, 29755), (23263, 27940), (23804, 27305)]