27684860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6379}}^1$

素因数の和:6426

約数の個数: 48

約数和(自身を含む): 68597760

約数和(自身を除く): 40912900

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, 6379, 12758, 25516, 31895, 44653, 63790, 89306, 127580, 178612, 197749, 223265, 395498, 446530, 790996, 893060, 988745, 1384243, 1977490, 2768486, 3954980, 5536972, 6921215, 13842430, 27684860]

約数ペア:

[(1, 27684860), (2, 13842430), (4, 6921215), (5, 5536972), (7, 3954980), (10, 2768486), (14, 1977490), (20, 1384243), (28, 988745), (31, 893060), (35, 790996), (62, 446530), (70, 395498), (124, 223265), (140, 197749), (155, 178612), (217, 127580), (310, 89306), (434, 63790), (620, 44653), (868, 31895), (1085, 25516), (2170, 12758), (4340, 6379)]