208780968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 606528000

約数和(自身を除く): 397747032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 107, 114, 132, 152, 209, 214, 228, 264, 321, 389, 418, 428, 456, 627, 642, 778, 836, 856, 1167, 1177, 1254, 1284, 1556, 1672, 2033, 2334, 2354, 2508, 2568, 3112, 3531, 4066, 4279, 4668, 4708, 5016, 6099, 7062, 7391, 8132, 8558, 9336, 9416, 12198, 12837, 14124, 14782, 16264, 17116, 22173, 22363, 24396, 25674, 28248, 29564, 34232, 41623, 44346, 44726, 48792, 51348, 59128, 67089, 81301, 83246, 88692, 89452, 102696, 124869, 134178, 162602, 166492, 177384, 178904, 243903, 249738, 268356, 325204, 332984, 457853, 487806, 499476, 536712, 650408, 790837, 915706, 975612, 998952, 1373559, 1581674, 1831412, 1951224, 2372511, 2747118, 3163348, 3662824, 4745022, 5494236, 6326696, 8699207, 9490044, 10988472, 17398414, 18980088, 26097621, 34796828, 52195242, 69593656, 104390484, 208780968]

約数ペア:

[(1, 208780968), (2, 104390484), (3, 69593656), (4, 52195242), (6, 34796828), (8, 26097621), (11, 18980088), (12, 17398414), (19, 10988472), (22, 9490044), (24, 8699207), (33, 6326696), (38, 5494236), (44, 4745022), (57, 3662824), (66, 3163348), (76, 2747118), (88, 2372511), (107, 1951224), (114, 1831412), (132, 1581674), (152, 1373559), (209, 998952), (214, 975612), (228, 915706), (264, 790837), (321, 650408), (389, 536712), (418, 499476), (428, 487806), (456, 457853), (627, 332984), (642, 325204), (778, 268356), (836, 249738), (856, 243903), (1167, 178904), (1177, 177384), (1254, 166492), (1284, 162602), (1556, 134178), (1672, 124869), (2033, 102696), (2334, 89452), (2354, 88692), (2508, 83246), (2568, 81301), (3112, 67089), (3531, 59128), (4066, 51348), (4279, 48792), (4668, 44726), (4708, 44346), (5016, 41623), (6099, 34232), (7062, 29564), (7391, 28248), (8132, 25674), (8558, 24396), (9336, 22363), (9416, 22173), (12198, 17116), (12837, 16264), (14124, 14782)]