129670660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 318536064

約数和(自身を除く): 188865404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 307, 431, 490, 614, 862, 980, 1228, 1535, 1724, 2149, 2155, 3017, 3070, 4298, 4310, 6034, 6140, 8596, 8620, 10745, 12068, 15043, 15085, 21119, 21490, 30086, 30170, 42238, 42980, 60172, 60340, 75215, 84476, 105595, 132317, 150430, 211190, 264634, 300860, 422380, 529268, 661585, 926219, 1323170, 1852438, 2646340, 3704876, 4631095, 6483533, 9262190, 12967066, 18524380, 25934132, 32417665, 64835330, 129670660]

約数ペア:

[(1, 129670660), (2, 64835330), (4, 32417665), (5, 25934132), (7, 18524380), (10, 12967066), (14, 9262190), (20, 6483533), (28, 4631095), (35, 3704876), (49, 2646340), (70, 1852438), (98, 1323170), (140, 926219), (196, 661585), (245, 529268), (307, 422380), (431, 300860), (490, 264634), (614, 211190), (862, 150430), (980, 132317), (1228, 105595), (1535, 84476), (1724, 75215), (2149, 60340), (2155, 60172), (3017, 42980), (3070, 42238), (4298, 30170), (4310, 30086), (6034, 21490), (6140, 21119), (8596, 15085), (8620, 15043), (10745, 12068)]