1214298440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 3020976000

約数和(自身を除く): 1806677560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 139, 145, 170, 232, 278, 290, 340, 443, 493, 556, 580, 680, 695, 886, 986, 1112, 1160, 1390, 1772, 1972, 2215, 2363, 2465, 2780, 3544, 3944, 4031, 4430, 4726, 4930, 5560, 7531, 8062, 8860, 9452, 9860, 11815, 12847, 15062, 16124, 17720, 18904, 19720, 20155, 23630, 25694, 30124, 32248, 37655, 40310, 47260, 51388, 60248, 61577, 64235, 68527, 75310, 80620, 94520, 102776, 123154, 128470, 137054, 150620, 161240, 218399, 246308, 256940, 274108, 301240, 307885, 342635, 436798, 492616, 513880, 548216, 615770, 685270, 873596, 1046809, 1091995, 1231540, 1370540, 1747192, 1785733, 2093618, 2183990, 2463080, 2741080, 3571466, 4187236, 4367980, 5234045, 7142932, 8374472, 8735960, 8928665, 10468090, 14285864, 17857330, 20936180, 30357461, 35714660, 41872360, 60714922, 71429320, 121429844, 151787305, 242859688, 303574610, 607149220, 1214298440]

約数ペア:

[(1, 1214298440), (2, 607149220), (4, 303574610), (5, 242859688), (8, 151787305), (10, 121429844), (17, 71429320), (20, 60714922), (29, 41872360), (34, 35714660), (40, 30357461), (58, 20936180), (68, 17857330), (85, 14285864), (116, 10468090), (136, 8928665), (139, 8735960), (145, 8374472), (170, 7142932), (232, 5234045), (278, 4367980), (290, 4187236), (340, 3571466), (443, 2741080), (493, 2463080), (556, 2183990), (580, 2093618), (680, 1785733), (695, 1747192), (886, 1370540), (986, 1231540), (1112, 1091995), (1160, 1046809), (1390, 873596), (1772, 685270), (1972, 615770), (2215, 548216), (2363, 513880), (2465, 492616), (2780, 436798), (3544, 342635), (3944, 307885), (4031, 301240), (4430, 274108), (4726, 256940), (4930, 246308), (5560, 218399), (7531, 161240), (8062, 150620), (8860, 137054), (9452, 128470), (9860, 123154), (11815, 102776), (12847, 94520), (15062, 80620), (16124, 75310), (17720, 68527), (18904, 64235), (19720, 61577), (20155, 60248), (23630, 51388), (25694, 47260), (30124, 40310), (32248, 37655)]