140291368

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 312606720

約数和(自身を除く): 172315352

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 211, 217, 248, 383, 422, 434, 766, 844, 868, 1477, 1532, 1688, 1736, 2681, 2954, 3064, 5362, 5908, 6541, 10724, 11816, 11873, 13082, 21448, 23746, 26164, 45787, 47492, 52328, 80813, 83111, 91574, 94984, 161626, 166222, 183148, 323252, 332444, 366296, 565691, 646504, 664888, 1131382, 2262764, 2505203, 4525528, 5010406, 10020812, 17536421, 20041624, 35072842, 70145684, 140291368]

約数ペア:

[(1, 140291368), (2, 70145684), (4, 35072842), (7, 20041624), (8, 17536421), (14, 10020812), (28, 5010406), (31, 4525528), (56, 2505203), (62, 2262764), (124, 1131382), (211, 664888), (217, 646504), (248, 565691), (383, 366296), (422, 332444), (434, 323252), (766, 183148), (844, 166222), (868, 161626), (1477, 94984), (1532, 91574), (1688, 83111), (1736, 80813), (2681, 52328), (2954, 47492), (3064, 45787), (5362, 26164), (5908, 23746), (6541, 21448), (10724, 13082), (11816, 11873)]