8668940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 21907200

約数和(自身を除く): 13238260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3259, 6518, 13036, 16295, 22813, 32590, 45626, 61921, 65180, 91252, 114065, 123842, 228130, 247684, 309605, 433447, 456260, 619210, 866894, 1238420, 1733788, 2167235, 4334470, 8668940]

約数ペア:

[(1, 8668940), (2, 4334470), (4, 2167235), (5, 1733788), (7, 1238420), (10, 866894), (14, 619210), (19, 456260), (20, 433447), (28, 309605), (35, 247684), (38, 228130), (70, 123842), (76, 114065), (95, 91252), (133, 65180), (140, 61921), (190, 45626), (266, 32590), (380, 22813), (532, 16295), (665, 13036), (1330, 6518), (2660, 3259)]