69778940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6473}}^1$

素因数の和:6507

約数の個数: 72

約数和(自身を含む): 185985072

約数和(自身を除く): 116206132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6473, 10780, 12946, 25892, 32365, 45311, 64730, 71203, 90622, 129460, 142406, 181244, 226555, 284812, 317177, 356015, 453110, 498421, 634354, 712030, 906220, 996842, 1268708, 1424060, 1585885, 1993684, 2492105, 3171770, 3488947, 4984210, 6343540, 6977894, 9968420, 13955788, 17444735, 34889470, 69778940]

約数ペア:

[(1, 69778940), (2, 34889470), (4, 17444735), (5, 13955788), (7, 9968420), (10, 6977894), (11, 6343540), (14, 4984210), (20, 3488947), (22, 3171770), (28, 2492105), (35, 1993684), (44, 1585885), (49, 1424060), (55, 1268708), (70, 996842), (77, 906220), (98, 712030), (110, 634354), (140, 498421), (154, 453110), (196, 356015), (220, 317177), (245, 284812), (308, 226555), (385, 181244), (490, 142406), (539, 129460), (770, 90622), (980, 71203), (1078, 64730), (1540, 45311), (2156, 32365), (2695, 25892), (5390, 12946), (6473, 10780)]