23921380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 66890880

約数和(自身を除く): 42969500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 23, 28, 34, 35, 38, 46, 68, 70, 76, 85, 92, 95, 115, 119, 133, 140, 161, 170, 190, 230, 238, 266, 322, 323, 340, 380, 391, 437, 460, 476, 529, 532, 595, 644, 646, 665, 782, 805, 874, 1058, 1190, 1292, 1330, 1564, 1610, 1615, 1748, 1955, 2116, 2185, 2261, 2380, 2645, 2660, 2737, 3059, 3220, 3230, 3703, 3910, 4370, 4522, 5290, 5474, 6118, 6460, 7406, 7429, 7820, 8740, 8993, 9044, 10051, 10580, 10948, 11305, 12236, 13685, 14812, 14858, 15295, 17986, 18515, 20102, 22610, 27370, 29716, 30590, 35972, 37030, 37145, 40204, 44965, 45220, 50255, 52003, 54740, 61180, 62951, 70357, 74060, 74290, 89930, 100510, 104006, 125902, 140714, 148580, 170867, 179860, 201020, 208012, 251804, 260015, 281428, 314755, 341734, 351785, 520030, 629510, 683468, 703570, 854335, 1040060, 1196069, 1259020, 1407140, 1708670, 2392138, 3417340, 4784276, 5980345, 11960690, 23921380]

約数ペア:

[(1, 23921380), (2, 11960690), (4, 5980345), (5, 4784276), (7, 3417340), (10, 2392138), (14, 1708670), (17, 1407140), (19, 1259020), (20, 1196069), (23, 1040060), (28, 854335), (34, 703570), (35, 683468), (38, 629510), (46, 520030), (68, 351785), (70, 341734), (76, 314755), (85, 281428), (92, 260015), (95, 251804), (115, 208012), (119, 201020), (133, 179860), (140, 170867), (161, 148580), (170, 140714), (190, 125902), (230, 104006), (238, 100510), (266, 89930), (322, 74290), (323, 74060), (340, 70357), (380, 62951), (391, 61180), (437, 54740), (460, 52003), (476, 50255), (529, 45220), (532, 44965), (595, 40204), (644, 37145), (646, 37030), (665, 35972), (782, 30590), (805, 29716), (874, 27370), (1058, 22610), (1190, 20102), (1292, 18515), (1330, 17986), (1564, 15295), (1610, 14858), (1615, 14812), (1748, 13685), (1955, 12236), (2116, 11305), (2185, 10948), (2261, 10580), (2380, 10051), (2645, 9044), (2660, 8993), (2737, 8740), (3059, 7820), (3220, 7429), (3230, 7406), (3703, 6460), (3910, 6118), (4370, 5474), (4522, 5290)]