28450100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 71453760

約数和(自身を除く): 43003660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 419, 485, 679, 700, 838, 970, 1358, 1676, 1940, 2095, 2425, 2716, 2933, 3395, 4190, 4850, 5866, 6790, 8380, 9700, 10475, 11732, 13580, 14665, 16975, 20950, 29330, 33950, 40643, 41900, 58660, 67900, 73325, 81286, 146650, 162572, 203215, 284501, 293300, 406430, 569002, 812860, 1016075, 1138004, 1422505, 2032150, 2845010, 4064300, 5690020, 7112525, 14225050, 28450100]

約数ペア:

[(1, 28450100), (2, 14225050), (4, 7112525), (5, 5690020), (7, 4064300), (10, 2845010), (14, 2032150), (20, 1422505), (25, 1138004), (28, 1016075), (35, 812860), (50, 569002), (70, 406430), (97, 293300), (100, 284501), (140, 203215), (175, 162572), (194, 146650), (350, 81286), (388, 73325), (419, 67900), (485, 58660), (679, 41900), (700, 40643), (838, 33950), (970, 29330), (1358, 20950), (1676, 16975), (1940, 14665), (2095, 13580), (2425, 11732), (2716, 10475), (2933, 9700), (3395, 8380), (4190, 6790), (4850, 5866)]