77505890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 191102976

約数和(自身を除く): 113597086

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 31, 34, 35, 55, 62, 70, 77, 85, 110, 119, 154, 155, 170, 187, 191, 217, 238, 310, 341, 374, 382, 385, 434, 527, 595, 682, 770, 935, 955, 1054, 1085, 1190, 1309, 1337, 1705, 1870, 1910, 2101, 2170, 2387, 2618, 2635, 2674, 3247, 3410, 3689, 4202, 4774, 5270, 5797, 5921, 6494, 6545, 6685, 7378, 10505, 11594, 11842, 11935, 13090, 13370, 14707, 16235, 18445, 21010, 22729, 23870, 28985, 29414, 29605, 32470, 35717, 36890, 40579, 41447, 45458, 57970, 59210, 65131, 71434, 73535, 81158, 82894, 100657, 113645, 130262, 147070, 178585, 201314, 202895, 207235, 227290, 250019, 325655, 357170, 405790, 414470, 455917, 500038, 503285, 651310, 704599, 911834, 1006570, 1107227, 1250095, 1409198, 2214454, 2279585, 2500190, 3522995, 4559170, 5536135, 7045990, 7750589, 11072270, 15501178, 38752945, 77505890]

約数ペア:

[(1, 77505890), (2, 38752945), (5, 15501178), (7, 11072270), (10, 7750589), (11, 7045990), (14, 5536135), (17, 4559170), (22, 3522995), (31, 2500190), (34, 2279585), (35, 2214454), (55, 1409198), (62, 1250095), (70, 1107227), (77, 1006570), (85, 911834), (110, 704599), (119, 651310), (154, 503285), (155, 500038), (170, 455917), (187, 414470), (191, 405790), (217, 357170), (238, 325655), (310, 250019), (341, 227290), (374, 207235), (382, 202895), (385, 201314), (434, 178585), (527, 147070), (595, 130262), (682, 113645), (770, 100657), (935, 82894), (955, 81158), (1054, 73535), (1085, 71434), (1190, 65131), (1309, 59210), (1337, 57970), (1705, 45458), (1870, 41447), (1910, 40579), (2101, 36890), (2170, 35717), (2387, 32470), (2618, 29605), (2635, 29414), (2674, 28985), (3247, 23870), (3410, 22729), (3689, 21010), (4202, 18445), (4774, 16235), (5270, 14707), (5797, 13370), (5921, 13090), (6494, 11935), (6545, 11842), (6685, 11594), (7378, 10505)]