29008280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 75098880

約数和(自身を除く): 46090600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 491, 844, 982, 1055, 1477, 1688, 1964, 2110, 2455, 2954, 3437, 3928, 4220, 4910, 5908, 6874, 7385, 8440, 9820, 11816, 13748, 14770, 17185, 19640, 27496, 29540, 34370, 59080, 68740, 103601, 137480, 207202, 414404, 518005, 725207, 828808, 1036010, 1450414, 2072020, 2900828, 3626035, 4144040, 5801656, 7252070, 14504140, 29008280]

約数ペア:

[(1, 29008280), (2, 14504140), (4, 7252070), (5, 5801656), (7, 4144040), (8, 3626035), (10, 2900828), (14, 2072020), (20, 1450414), (28, 1036010), (35, 828808), (40, 725207), (56, 518005), (70, 414404), (140, 207202), (211, 137480), (280, 103601), (422, 68740), (491, 59080), (844, 34370), (982, 29540), (1055, 27496), (1477, 19640), (1688, 17185), (1964, 14770), (2110, 13748), (2455, 11816), (2954, 9820), (3437, 8440), (3928, 7385), (4220, 6874), (4910, 5908)]