201315740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2531}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 437711904

約数和(自身を除く): 236396164

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 2531, 3977, 5062, 7954, 10124, 12655, 15908, 19885, 25310, 39770, 50620, 79540, 103771, 207542, 245507, 415084, 491014, 518855, 982028, 1037710, 1227535, 2075420, 2455070, 4910140, 10065787, 20131574, 40263148, 50328935, 100657870, 201315740]

約数ペア:

[(1, 201315740), (2, 100657870), (4, 50328935), (5, 40263148), (10, 20131574), (20, 10065787), (41, 4910140), (82, 2455070), (97, 2075420), (164, 1227535), (194, 1037710), (205, 982028), (388, 518855), (410, 491014), (485, 415084), (820, 245507), (970, 207542), (1940, 103771), (2531, 79540), (3977, 50620), (5062, 39770), (7954, 25310), (10124, 19885), (12655, 15908)]