129739540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2311}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 312286464

約数和(自身を除く): 182546924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2311, 2807, 4010, 4622, 5614, 8020, 9244, 11228, 11555, 14035, 16177, 23110, 28070, 32354, 46220, 56140, 64708, 80885, 161770, 323540, 926711, 1853422, 3706844, 4633555, 6486977, 9267110, 12973954, 18534220, 25947908, 32434885, 64869770, 129739540]

約数ペア:

[(1, 129739540), (2, 64869770), (4, 32434885), (5, 25947908), (7, 18534220), (10, 12973954), (14, 9267110), (20, 6486977), (28, 4633555), (35, 3706844), (70, 1853422), (140, 926711), (401, 323540), (802, 161770), (1604, 80885), (2005, 64708), (2311, 56140), (2807, 46220), (4010, 32354), (4622, 28070), (5614, 23110), (8020, 16177), (9244, 14035), (11228, 11555)]