217622020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 573060096

約数和(自身を除く): 355438076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 251, 308, 385, 502, 563, 770, 1004, 1126, 1255, 1540, 1757, 2252, 2510, 2761, 2815, 3514, 3941, 5020, 5522, 5630, 6193, 7028, 7882, 8785, 11044, 11260, 12386, 13805, 15764, 17570, 19327, 19705, 24772, 27610, 30965, 35140, 38654, 39410, 43351, 55220, 61930, 77308, 78820, 86702, 96635, 123860, 141313, 173404, 193270, 216755, 282626, 386540, 433510, 565252, 706565, 867020, 989191, 1413130, 1554443, 1978382, 2826260, 3108886, 3956764, 4945955, 6217772, 7772215, 9891910, 10881101, 15544430, 19783820, 21762202, 31088860, 43524404, 54405505, 108811010, 217622020]

約数ペア:

[(1, 217622020), (2, 108811010), (4, 54405505), (5, 43524404), (7, 31088860), (10, 21762202), (11, 19783820), (14, 15544430), (20, 10881101), (22, 9891910), (28, 7772215), (35, 6217772), (44, 4945955), (55, 3956764), (70, 3108886), (77, 2826260), (110, 1978382), (140, 1554443), (154, 1413130), (220, 989191), (251, 867020), (308, 706565), (385, 565252), (502, 433510), (563, 386540), (770, 282626), (1004, 216755), (1126, 193270), (1255, 173404), (1540, 141313), (1757, 123860), (2252, 96635), (2510, 86702), (2761, 78820), (2815, 77308), (3514, 61930), (3941, 55220), (5020, 43351), (5522, 39410), (5630, 38654), (6193, 35140), (7028, 30965), (7882, 27610), (8785, 24772), (11044, 19705), (11260, 19327), (12386, 17570), (13805, 15764)]