78482180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 196627200

約数和(自身を除く): 118145020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 109, 139, 140, 148, 185, 218, 259, 278, 370, 436, 518, 545, 556, 695, 740, 763, 973, 1036, 1090, 1295, 1390, 1526, 1946, 2180, 2590, 2780, 3052, 3815, 3892, 4033, 4865, 5143, 5180, 7630, 8066, 9730, 10286, 15151, 15260, 16132, 19460, 20165, 20572, 25715, 28231, 30302, 36001, 40330, 51430, 56462, 60604, 72002, 75755, 80660, 102860, 106057, 112924, 141155, 144004, 151510, 180005, 212114, 282310, 303020, 360010, 424228, 530285, 560587, 564620, 720020, 1060570, 1121174, 2121140, 2242348, 2802935, 3924109, 5605870, 7848218, 11211740, 15696436, 19620545, 39241090, 78482180]

約数ペア:

[(1, 78482180), (2, 39241090), (4, 19620545), (5, 15696436), (7, 11211740), (10, 7848218), (14, 5605870), (20, 3924109), (28, 2802935), (35, 2242348), (37, 2121140), (70, 1121174), (74, 1060570), (109, 720020), (139, 564620), (140, 560587), (148, 530285), (185, 424228), (218, 360010), (259, 303020), (278, 282310), (370, 212114), (436, 180005), (518, 151510), (545, 144004), (556, 141155), (695, 112924), (740, 106057), (763, 102860), (973, 80660), (1036, 75755), (1090, 72002), (1295, 60604), (1390, 56462), (1526, 51430), (1946, 40330), (2180, 36001), (2590, 30302), (2780, 28231), (3052, 25715), (3815, 20572), (3892, 20165), (4033, 19460), (4865, 16132), (5143, 15260), (5180, 15151), (7630, 10286), (8066, 9730)]