85726780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 192882816

約数和(自身を除く): 107156036

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 101, 124, 148, 155, 185, 202, 310, 370, 404, 505, 620, 740, 1010, 1147, 1369, 2020, 2294, 2738, 3131, 3737, 4588, 5476, 5735, 6262, 6845, 7474, 11470, 12524, 13690, 14948, 15655, 18685, 22940, 27380, 31310, 37370, 42439, 62620, 74740, 84878, 115847, 138269, 169756, 212195, 231694, 276538, 424390, 463388, 553076, 579235, 691345, 848780, 1158470, 1382690, 2316940, 2765380, 4286339, 8572678, 17145356, 21431695, 42863390, 85726780]

約数ペア:

[(1, 85726780), (2, 42863390), (4, 21431695), (5, 17145356), (10, 8572678), (20, 4286339), (31, 2765380), (37, 2316940), (62, 1382690), (74, 1158470), (101, 848780), (124, 691345), (148, 579235), (155, 553076), (185, 463388), (202, 424390), (310, 276538), (370, 231694), (404, 212195), (505, 169756), (620, 138269), (740, 115847), (1010, 84878), (1147, 74740), (1369, 62620), (2020, 42439), (2294, 37370), (2738, 31310), (3131, 27380), (3737, 22940), (4588, 18685), (5476, 15655), (5735, 14948), (6262, 13690), (6845, 12524), (7474, 11470)]