168194740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16921}}^1$

素因数の和:17008

約数の個数: 48

約数和(自身を含む): 409377024

約数和(自身を除く): 241182284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16921, 33842, 67684, 84605, 118447, 169210, 236894, 338420, 473788, 592235, 1184470, 1201391, 2368940, 2402782, 4805564, 6006955, 8409737, 12013910, 16819474, 24027820, 33638948, 42048685, 84097370, 168194740]

約数ペア:

[(1, 168194740), (2, 84097370), (4, 42048685), (5, 33638948), (7, 24027820), (10, 16819474), (14, 12013910), (20, 8409737), (28, 6006955), (35, 4805564), (70, 2402782), (71, 2368940), (140, 1201391), (142, 1184470), (284, 592235), (355, 473788), (497, 338420), (710, 236894), (994, 169210), (1420, 118447), (1988, 84605), (2485, 67684), (4970, 33842), (9940, 16921)]