101389820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 249224976

約数和(自身を除く): 147835156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 307, 337, 490, 614, 674, 980, 1228, 1348, 1535, 1685, 2149, 2359, 3070, 3370, 4298, 4718, 6140, 6740, 8596, 9436, 10745, 11795, 15043, 16513, 21490, 23590, 30086, 33026, 42980, 47180, 60172, 66052, 75215, 82565, 103459, 150430, 165130, 206918, 300860, 330260, 413836, 517295, 724213, 1034590, 1448426, 2069180, 2896852, 3621065, 5069491, 7242130, 10138982, 14484260, 20277964, 25347455, 50694910, 101389820]

約数ペア:

[(1, 101389820), (2, 50694910), (4, 25347455), (5, 20277964), (7, 14484260), (10, 10138982), (14, 7242130), (20, 5069491), (28, 3621065), (35, 2896852), (49, 2069180), (70, 1448426), (98, 1034590), (140, 724213), (196, 517295), (245, 413836), (307, 330260), (337, 300860), (490, 206918), (614, 165130), (674, 150430), (980, 103459), (1228, 82565), (1348, 75215), (1535, 66052), (1685, 60172), (2149, 47180), (2359, 42980), (3070, 33026), (3370, 30086), (4298, 23590), (4718, 21490), (6140, 16513), (6740, 15043), (8596, 11795), (9436, 10745)]