326156740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{25601}}^1$

素因数の和:25637

約数の個数: 72

約数和(自身を含む): 858076632

約数和(自身を除く): 531919892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 25601, 51202, 102404, 128005, 179207, 256010, 332813, 358414, 512020, 665626, 716828, 896035, 1254449, 1331252, 1664065, 1792070, 2329691, 2508898, 3328130, 3584140, 4659382, 5017796, 6272245, 6656260, 9318764, 11648455, 12544490, 16307837, 23296910, 25088980, 32615674, 46593820, 65231348, 81539185, 163078370, 326156740]

約数ペア:

[(1, 326156740), (2, 163078370), (4, 81539185), (5, 65231348), (7, 46593820), (10, 32615674), (13, 25088980), (14, 23296910), (20, 16307837), (26, 12544490), (28, 11648455), (35, 9318764), (49, 6656260), (52, 6272245), (65, 5017796), (70, 4659382), (91, 3584140), (98, 3328130), (130, 2508898), (140, 2329691), (182, 1792070), (196, 1664065), (245, 1331252), (260, 1254449), (364, 896035), (455, 716828), (490, 665626), (637, 512020), (910, 358414), (980, 332813), (1274, 256010), (1820, 179207), (2548, 128005), (3185, 102404), (6370, 51202), (12740, 25601)]