13417880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 34827840

約数和(自身を除く): 21409960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 277, 280, 346, 554, 692, 865, 1108, 1211, 1384, 1385, 1730, 1939, 2216, 2422, 2770, 3460, 3878, 4844, 5540, 6055, 6920, 7756, 9688, 9695, 11080, 12110, 15512, 19390, 24220, 38780, 47921, 48440, 77560, 95842, 191684, 239605, 335447, 383368, 479210, 670894, 958420, 1341788, 1677235, 1916840, 2683576, 3354470, 6708940, 13417880]

約数ペア:

[(1, 13417880), (2, 6708940), (4, 3354470), (5, 2683576), (7, 1916840), (8, 1677235), (10, 1341788), (14, 958420), (20, 670894), (28, 479210), (35, 383368), (40, 335447), (56, 239605), (70, 191684), (140, 95842), (173, 77560), (277, 48440), (280, 47921), (346, 38780), (554, 24220), (692, 19390), (865, 15512), (1108, 12110), (1211, 11080), (1384, 9695), (1385, 9688), (1730, 7756), (1939, 6920), (2216, 6055), (2422, 5540), (2770, 4844), (3460, 3878)]