123536680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 296317440

約数和(自身を除く): 172780760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 2857, 4324, 5405, 5714, 8648, 10810, 11428, 14285, 21620, 22856, 28570, 43240, 57140, 65711, 114280, 131422, 134279, 262844, 268558, 328555, 525688, 537116, 657110, 671395, 1074232, 1314220, 1342790, 2628440, 2685580, 3088417, 5371160, 6176834, 12353668, 15442085, 24707336, 30884170, 61768340, 123536680]

約数ペア:

[(1, 123536680), (2, 61768340), (4, 30884170), (5, 24707336), (8, 15442085), (10, 12353668), (20, 6176834), (23, 5371160), (40, 3088417), (46, 2685580), (47, 2628440), (92, 1342790), (94, 1314220), (115, 1074232), (184, 671395), (188, 657110), (230, 537116), (235, 525688), (376, 328555), (460, 268558), (470, 262844), (920, 134279), (940, 131422), (1081, 114280), (1880, 65711), (2162, 57140), (2857, 43240), (4324, 28570), (5405, 22856), (5714, 21620), (8648, 14285), (10810, 11428)]