42778540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5179}}^1$

素因数の和:5254

約数の個数: 48

約数和(自身を含む): 104428800

約数和(自身を除く): 61650260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 5179, 8260, 10358, 20716, 25895, 36253, 51790, 72506, 103580, 145012, 181265, 305561, 362530, 611122, 725060, 1222244, 1527805, 2138927, 3055610, 4277854, 6111220, 8555708, 10694635, 21389270, 42778540]

約数ペア:

[(1, 42778540), (2, 21389270), (4, 10694635), (5, 8555708), (7, 6111220), (10, 4277854), (14, 3055610), (20, 2138927), (28, 1527805), (35, 1222244), (59, 725060), (70, 611122), (118, 362530), (140, 305561), (236, 181265), (295, 145012), (413, 103580), (590, 72506), (826, 51790), (1180, 36253), (1652, 25895), (2065, 20716), (4130, 10358), (5179, 8260)]