11956780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18525140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 139, 170, 187, 220, 230, 253, 278, 340, 374, 391, 460, 506, 556, 695, 748, 782, 935, 1012, 1265, 1390, 1529, 1564, 1870, 1955, 2363, 2530, 2780, 3058, 3197, 3740, 3910, 4301, 4726, 5060, 6116, 6394, 7645, 7820, 8602, 9452, 11815, 12788, 15290, 15985, 17204, 21505, 23630, 25993, 30580, 31970, 35167, 43010, 47260, 51986, 54349, 63940, 70334, 86020, 103972, 108698, 129965, 140668, 175835, 217396, 259930, 271745, 351670, 519860, 543490, 597839, 703340, 1086980, 1195678, 2391356, 2989195, 5978390, 11956780]

約数ペア:

[(1, 11956780), (2, 5978390), (4, 2989195), (5, 2391356), (10, 1195678), (11, 1086980), (17, 703340), (20, 597839), (22, 543490), (23, 519860), (34, 351670), (44, 271745), (46, 259930), (55, 217396), (68, 175835), (85, 140668), (92, 129965), (110, 108698), (115, 103972), (139, 86020), (170, 70334), (187, 63940), (220, 54349), (230, 51986), (253, 47260), (278, 43010), (340, 35167), (374, 31970), (391, 30580), (460, 25993), (506, 23630), (556, 21505), (695, 17204), (748, 15985), (782, 15290), (935, 12788), (1012, 11815), (1265, 9452), (1390, 8602), (1529, 7820), (1564, 7645), (1870, 6394), (1955, 6116), (2363, 5060), (2530, 4726), (2780, 4301), (3058, 3910), (3197, 3740)]