21701200

素因数分解:

$2^4\times 5^2\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 52585920

約数和(自身を除く): 30884720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 227, 239, 400, 454, 478, 908, 956, 1135, 1195, 1816, 1912, 2270, 2390, 3632, 3824, 4540, 4780, 5675, 5975, 9080, 9560, 11350, 11950, 18160, 19120, 22700, 23900, 45400, 47800, 54253, 90800, 95600, 108506, 217012, 271265, 434024, 542530, 868048, 1085060, 1356325, 2170120, 2712650, 4340240, 5425300, 10850600, 21701200]

約数ペア:

[(1, 21701200), (2, 10850600), (4, 5425300), (5, 4340240), (8, 2712650), (10, 2170120), (16, 1356325), (20, 1085060), (25, 868048), (40, 542530), (50, 434024), (80, 271265), (100, 217012), (200, 108506), (227, 95600), (239, 90800), (400, 54253), (454, 47800), (478, 45400), (908, 23900), (956, 22700), (1135, 19120), (1195, 18160), (1816, 11950), (1912, 11350), (2270, 9560), (2390, 9080), (3632, 5975), (3824, 5675), (4540, 4780)]