7779340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 17146080

約数和(自身を除く): 9366740

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 179, 205, 212, 265, 358, 410, 530, 716, 820, 895, 1060, 1790, 2173, 3580, 4346, 7339, 8692, 9487, 10865, 14678, 18974, 21730, 29356, 36695, 37948, 43460, 47435, 73390, 94870, 146780, 189740, 388967, 777934, 1555868, 1944835, 3889670, 7779340]

約数ペア:

[(1, 7779340), (2, 3889670), (4, 1944835), (5, 1555868), (10, 777934), (20, 388967), (41, 189740), (53, 146780), (82, 94870), (106, 73390), (164, 47435), (179, 43460), (205, 37948), (212, 36695), (265, 29356), (358, 21730), (410, 18974), (530, 14678), (716, 10865), (820, 9487), (895, 8692), (1060, 7339), (1790, 4346), (2173, 3580)]