231520237940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1\times {\mathrm{134807}}^1$

素因数の和:136856

約数の個数: 48

約数和(自身を含む): 497752117632

約数和(自身を除く): 266231879692

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1997, 3994, 7988, 9985, 19970, 39940, 85871, 134807, 171742, 269614, 343484, 429355, 539228, 674035, 858710, 1348070, 1717420, 2696140, 5796701, 11593402, 23186804, 28983505, 57967010, 115934020, 269209579, 538419158, 1076838316, 1346047895, 2692095790, 5384191580, 11576011897, 23152023794, 46304047588, 57880059485, 115760118970, 231520237940]

約数ペア:

[(1, 231520237940), (2, 115760118970), (4, 57880059485), (5, 46304047588), (10, 23152023794), (20, 11576011897), (43, 5384191580), (86, 2692095790), (172, 1346047895), (215, 1076838316), (430, 538419158), (860, 269209579), (1997, 115934020), (3994, 57967010), (7988, 28983505), (9985, 23186804), (19970, 11593402), (39940, 5796701), (85871, 2696140), (134807, 1717420), (171742, 1348070), (269614, 858710), (343484, 674035), (429355, 539228)]