1553121220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{15647}}^1$

素因数の和:16372

約数の個数: 48

約数和(自身を含む): 3732986880

約数和(自身を除く): 2179865660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 709, 1418, 2836, 3545, 4963, 7090, 9926, 14180, 15647, 19852, 24815, 31294, 49630, 62588, 78235, 99260, 109529, 156470, 219058, 312940, 438116, 547645, 1095290, 2190580, 11093723, 22187446, 44374892, 55468615, 77656061, 110937230, 155312122, 221874460, 310624244, 388280305, 776560610, 1553121220]

約数ペア:

[(1, 1553121220), (2, 776560610), (4, 388280305), (5, 310624244), (7, 221874460), (10, 155312122), (14, 110937230), (20, 77656061), (28, 55468615), (35, 44374892), (70, 22187446), (140, 11093723), (709, 2190580), (1418, 1095290), (2836, 547645), (3545, 438116), (4963, 312940), (7090, 219058), (9926, 156470), (14180, 109529), (15647, 99260), (19852, 78235), (24815, 62588), (31294, 49630)]