8939140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 21796992

約数和(自身を除く): 12857852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 953, 1340, 1876, 1906, 2345, 3812, 4690, 4765, 6671, 9380, 9530, 13342, 19060, 26684, 33355, 63851, 66710, 127702, 133420, 255404, 319255, 446957, 638510, 893914, 1277020, 1787828, 2234785, 4469570, 8939140]

約数ペア:

[(1, 8939140), (2, 4469570), (4, 2234785), (5, 1787828), (7, 1277020), (10, 893914), (14, 638510), (20, 446957), (28, 319255), (35, 255404), (67, 133420), (70, 127702), (134, 66710), (140, 63851), (268, 33355), (335, 26684), (469, 19060), (670, 13342), (938, 9530), (953, 9380), (1340, 6671), (1876, 4765), (1906, 4690), (2345, 3812)]