9968420

素因数分解:

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

素因数の和:6500

約数の個数: 48

約数和(自身を含む): 26103168

約数和(自身を除く): 16134748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 6473, 12946, 25892, 32365, 45311, 64730, 71203, 90622, 129460, 142406, 181244, 226555, 284812, 356015, 453110, 498421, 712030, 906220, 996842, 1424060, 1993684, 2492105, 4984210, 9968420]

約数ペア:

[(1, 9968420), (2, 4984210), (4, 2492105), (5, 1993684), (7, 1424060), (10, 996842), (11, 906220), (14, 712030), (20, 498421), (22, 453110), (28, 356015), (35, 284812), (44, 226555), (55, 181244), (70, 142406), (77, 129460), (110, 90622), (140, 71203), (154, 64730), (220, 45311), (308, 32365), (385, 25892), (770, 12946), (1540, 6473)]