289166120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1223}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 682110720

約数和(自身を除く): 392944600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 257, 460, 514, 920, 1028, 1223, 1285, 2056, 2446, 2570, 4892, 5140, 5911, 6115, 9784, 10280, 11822, 12230, 23644, 24460, 28129, 29555, 47288, 48920, 56258, 59110, 112516, 118220, 140645, 225032, 236440, 281290, 314311, 562580, 628622, 1125160, 1257244, 1571555, 2514488, 3143110, 6286220, 7229153, 12572440, 14458306, 28916612, 36145765, 57833224, 72291530, 144583060, 289166120]

約数ペア:

[(1, 289166120), (2, 144583060), (4, 72291530), (5, 57833224), (8, 36145765), (10, 28916612), (20, 14458306), (23, 12572440), (40, 7229153), (46, 6286220), (92, 3143110), (115, 2514488), (184, 1571555), (230, 1257244), (257, 1125160), (460, 628622), (514, 562580), (920, 314311), (1028, 281290), (1223, 236440), (1285, 225032), (2056, 140645), (2446, 118220), (2570, 112516), (4892, 59110), (5140, 56258), (5911, 48920), (6115, 47288), (9784, 29555), (10280, 28129), (11822, 24460), (12230, 23644)]