77686940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7879}}^1$

素因数の和:7934

約数の個数: 48

約数和(自身を含む): 178718400

約数和(自身を除く): 101031460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 7879, 9860, 15758, 31516, 39395, 78790, 133943, 157580, 228491, 267886, 456982, 535772, 669715, 913964, 1142455, 1339430, 2284910, 2678860, 3884347, 4569820, 7768694, 15537388, 19421735, 38843470, 77686940]

約数ペア:

[(1, 77686940), (2, 38843470), (4, 19421735), (5, 15537388), (10, 7768694), (17, 4569820), (20, 3884347), (29, 2678860), (34, 2284910), (58, 1339430), (68, 1142455), (85, 913964), (116, 669715), (145, 535772), (170, 456982), (290, 267886), (340, 228491), (493, 157580), (580, 133943), (986, 78790), (1972, 39395), (2465, 31516), (4930, 15758), (7879, 9860)]