139857760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17839}}^1$

素因数の和:17868

約数の個数: 72

約数和(自身を含む): 384380640

約数和(自身を除く): 244522880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 17839, 35678, 71356, 89195, 124873, 142712, 178390, 249746, 285424, 356780, 499492, 570848, 624365, 713560, 874111, 998984, 1248730, 1427120, 1748222, 1997968, 2497460, 2854240, 3496444, 3995936, 4370555, 4994920, 6992888, 8741110, 9989840, 13985776, 17482220, 19979680, 27971552, 34964440, 69928880, 139857760]

約数ペア:

[(1, 139857760), (2, 69928880), (4, 34964440), (5, 27971552), (7, 19979680), (8, 17482220), (10, 13985776), (14, 9989840), (16, 8741110), (20, 6992888), (28, 4994920), (32, 4370555), (35, 3995936), (40, 3496444), (49, 2854240), (56, 2497460), (70, 1997968), (80, 1748222), (98, 1427120), (112, 1248730), (140, 998984), (160, 874111), (196, 713560), (224, 624365), (245, 570848), (280, 499492), (392, 356780), (490, 285424), (560, 249746), (784, 178390), (980, 142712), (1120, 124873), (1568, 89195), (1960, 71356), (3920, 35678), (7840, 17839)]