154682020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 333099648

約数和(自身を除く): 178417628

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 710, 970, 1123, 1420, 1940, 2246, 4492, 5615, 6887, 11230, 13774, 22460, 27548, 34435, 68870, 79733, 108931, 137740, 159466, 217862, 318932, 398665, 435724, 544655, 797330, 1089310, 1594660, 2178620, 7734101, 15468202, 30936404, 38670505, 77341010, 154682020]

約数ペア:

[(1, 154682020), (2, 77341010), (4, 38670505), (5, 30936404), (10, 15468202), (20, 7734101), (71, 2178620), (97, 1594660), (142, 1089310), (194, 797330), (284, 544655), (355, 435724), (388, 398665), (485, 318932), (710, 217862), (970, 159466), (1123, 137740), (1420, 108931), (1940, 79733), (2246, 68870), (4492, 34435), (5615, 27548), (6887, 22460), (11230, 13774)]