83789090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 205659648

約数和(自身を除く): 121870558

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 37, 55, 70, 74, 77, 85, 110, 119, 154, 170, 173, 185, 187, 238, 259, 346, 370, 374, 385, 407, 518, 595, 629, 770, 814, 865, 935, 1190, 1211, 1258, 1295, 1309, 1730, 1870, 1903, 2035, 2422, 2590, 2618, 2849, 2941, 3145, 3806, 4070, 4403, 5698, 5882, 6055, 6290, 6401, 6545, 6919, 8806, 9515, 12110, 12802, 13090, 13321, 13838, 14245, 14705, 19030, 20587, 22015, 26642, 28490, 29410, 32005, 32351, 34595, 41174, 44030, 44807, 48433, 64010, 64702, 66605, 69190, 70411, 89614, 96866, 102935, 108817, 133210, 140822, 161755, 205870, 217634, 224035, 226457, 242165, 323510, 352055, 448070, 452914, 484330, 492877, 544085, 704110, 761719, 985754, 1088170, 1132285, 1196987, 1523438, 2264570, 2393974, 2464385, 3808595, 4928770, 5984935, 7617190, 8378909, 11969870, 16757818, 41894545, 83789090]

約数ペア:

[(1, 83789090), (2, 41894545), (5, 16757818), (7, 11969870), (10, 8378909), (11, 7617190), (14, 5984935), (17, 4928770), (22, 3808595), (34, 2464385), (35, 2393974), (37, 2264570), (55, 1523438), (70, 1196987), (74, 1132285), (77, 1088170), (85, 985754), (110, 761719), (119, 704110), (154, 544085), (170, 492877), (173, 484330), (185, 452914), (187, 448070), (238, 352055), (259, 323510), (346, 242165), (370, 226457), (374, 224035), (385, 217634), (407, 205870), (518, 161755), (595, 140822), (629, 133210), (770, 108817), (814, 102935), (865, 96866), (935, 89614), (1190, 70411), (1211, 69190), (1258, 66605), (1295, 64702), (1309, 64010), (1730, 48433), (1870, 44807), (1903, 44030), (2035, 41174), (2422, 34595), (2590, 32351), (2618, 32005), (2849, 29410), (2941, 28490), (3145, 26642), (3806, 22015), (4070, 20587), (4403, 19030), (5698, 14705), (5882, 14245), (6055, 13838), (6290, 13321), (6401, 13090), (6545, 12802), (6919, 12110), (8806, 9515)]