90813140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 216736128

約数和(自身を除く): 125922988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 67, 101, 110, 122, 134, 202, 220, 244, 268, 305, 335, 404, 505, 610, 670, 671, 737, 1010, 1111, 1220, 1340, 1342, 1474, 2020, 2222, 2684, 2948, 3355, 3685, 4087, 4444, 5555, 6161, 6710, 6767, 7370, 8174, 11110, 12322, 13420, 13534, 14740, 16348, 20435, 22220, 24644, 27068, 30805, 33835, 40870, 44957, 61610, 67670, 67771, 74437, 81740, 89914, 123220, 135340, 135542, 148874, 179828, 224785, 271084, 297748, 338855, 372185, 412787, 449570, 677710, 744370, 825574, 899140, 1355420, 1488740, 1651148, 2063935, 4127870, 4540657, 8255740, 9081314, 18162628, 22703285, 45406570, 90813140]

約数ペア:

[(1, 90813140), (2, 45406570), (4, 22703285), (5, 18162628), (10, 9081314), (11, 8255740), (20, 4540657), (22, 4127870), (44, 2063935), (55, 1651148), (61, 1488740), (67, 1355420), (101, 899140), (110, 825574), (122, 744370), (134, 677710), (202, 449570), (220, 412787), (244, 372185), (268, 338855), (305, 297748), (335, 271084), (404, 224785), (505, 179828), (610, 148874), (670, 135542), (671, 135340), (737, 123220), (1010, 89914), (1111, 81740), (1220, 74437), (1340, 67771), (1342, 67670), (1474, 61610), (2020, 44957), (2222, 40870), (2684, 33835), (2948, 30805), (3355, 27068), (3685, 24644), (4087, 22220), (4444, 20435), (5555, 16348), (6161, 14740), (6710, 13534), (6767, 13420), (7370, 12322), (8174, 11110)]