207899020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47903}}^1$

素因数の和:47950

約数の個数: 48

約数和(自身を含む): 515063808

約数和(自身を除く): 307164788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47903, 95806, 191612, 239515, 335321, 479030, 670642, 958060, 1341284, 1484993, 1676605, 2969986, 3353210, 5939972, 6706420, 7424965, 10394951, 14849930, 20789902, 29699860, 41579804, 51974755, 103949510, 207899020]

約数ペア:

[(1, 207899020), (2, 103949510), (4, 51974755), (5, 41579804), (7, 29699860), (10, 20789902), (14, 14849930), (20, 10394951), (28, 7424965), (31, 6706420), (35, 5939972), (62, 3353210), (70, 2969986), (124, 1676605), (140, 1484993), (155, 1341284), (217, 958060), (310, 670642), (434, 479030), (620, 335321), (868, 239515), (1085, 191612), (2170, 95806), (4340, 47903)]