279718890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:828

約数の個数: 128

約数和(自身を含む): 777461760

約数和(自身を除く): 497742870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 37, 55, 62, 66, 74, 93, 110, 111, 155, 165, 185, 186, 222, 310, 330, 341, 370, 407, 465, 555, 682, 739, 814, 930, 1023, 1110, 1147, 1221, 1478, 1705, 2035, 2046, 2217, 2294, 2442, 3410, 3441, 3695, 4070, 4434, 5115, 5735, 6105, 6882, 7390, 8129, 10230, 11085, 11470, 12210, 12617, 16258, 17205, 22170, 22909, 24387, 25234, 27343, 34410, 37851, 40645, 45818, 48774, 54686, 63085, 68727, 75702, 81290, 82029, 114545, 121935, 126170, 136715, 137454, 164058, 189255, 229090, 243870, 251999, 273430, 300773, 343635, 378510, 410145, 503998, 601546, 687270, 755997, 820290, 847633, 902319, 1259995, 1503865, 1511994, 1695266, 1804638, 2519990, 2542899, 3007730, 3779985, 4238165, 4511595, 5085798, 7559970, 8476330, 9023190, 9323963, 12714495, 18647926, 25428990, 27971889, 46619815, 55943778, 93239630, 139859445, 279718890]

約数ペア:

[(1, 279718890), (2, 139859445), (3, 93239630), (5, 55943778), (6, 46619815), (10, 27971889), (11, 25428990), (15, 18647926), (22, 12714495), (30, 9323963), (31, 9023190), (33, 8476330), (37, 7559970), (55, 5085798), (62, 4511595), (66, 4238165), (74, 3779985), (93, 3007730), (110, 2542899), (111, 2519990), (155, 1804638), (165, 1695266), (185, 1511994), (186, 1503865), (222, 1259995), (310, 902319), (330, 847633), (341, 820290), (370, 755997), (407, 687270), (465, 601546), (555, 503998), (682, 410145), (739, 378510), (814, 343635), (930, 300773), (1023, 273430), (1110, 251999), (1147, 243870), (1221, 229090), (1478, 189255), (1705, 164058), (2035, 137454), (2046, 136715), (2217, 126170), (2294, 121935), (2442, 114545), (3410, 82029), (3441, 81290), (3695, 75702), (4070, 68727), (4434, 63085), (5115, 54686), (5735, 48774), (6105, 45818), (6882, 40645), (7390, 37851), (8129, 34410), (10230, 27343), (11085, 25234), (11470, 24387), (12210, 22909), (12617, 22170), (16258, 17205)]