209181210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1123}}^1$

素因数の和:2027

約数の個数: 64

約数和(自身を含む): 574912512

約数和(自身を除く): 365731302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 887, 1123, 1774, 2246, 2661, 3369, 4435, 5322, 5615, 6209, 6738, 7861, 8870, 11230, 12418, 13305, 15722, 16845, 18627, 23583, 26610, 31045, 33690, 37254, 39305, 47166, 62090, 78610, 93135, 117915, 186270, 235830, 996101, 1992202, 2988303, 4980505, 5976606, 6972707, 9961010, 13945414, 14941515, 20918121, 29883030, 34863535, 41836242, 69727070, 104590605, 209181210]

約数ペア:

[(1, 209181210), (2, 104590605), (3, 69727070), (5, 41836242), (6, 34863535), (7, 29883030), (10, 20918121), (14, 14941515), (15, 13945414), (21, 9961010), (30, 6972707), (35, 5976606), (42, 4980505), (70, 2988303), (105, 1992202), (210, 996101), (887, 235830), (1123, 186270), (1774, 117915), (2246, 93135), (2661, 78610), (3369, 62090), (4435, 47166), (5322, 39305), (5615, 37254), (6209, 33690), (6738, 31045), (7861, 26610), (8870, 23583), (11230, 18627), (12418, 16845), (13305, 15722)]