205087630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 419696640

約数和(自身を除く): 214609010

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 137, 155, 274, 310, 341, 439, 682, 685, 878, 1370, 1507, 1705, 2195, 3014, 3410, 4247, 4390, 4829, 7535, 8494, 9658, 13609, 15070, 21235, 24145, 27218, 42470, 46717, 48290, 60143, 68045, 93434, 120286, 136090, 149699, 233585, 299398, 300715, 467170, 601430, 661573, 748495, 1323146, 1496990, 1864433, 3307865, 3728866, 6615730, 9322165, 18644330, 20508763, 41017526, 102543815, 205087630]

約数ペア:

[(1, 205087630), (2, 102543815), (5, 41017526), (10, 20508763), (11, 18644330), (22, 9322165), (31, 6615730), (55, 3728866), (62, 3307865), (110, 1864433), (137, 1496990), (155, 1323146), (274, 748495), (310, 661573), (341, 601430), (439, 467170), (682, 300715), (685, 299398), (878, 233585), (1370, 149699), (1507, 136090), (1705, 120286), (2195, 93434), (3014, 68045), (3410, 60143), (4247, 48290), (4390, 46717), (4829, 42470), (7535, 27218), (8494, 24145), (9658, 21235), (13609, 15070)]