207980360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1871}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 536440320

約数和(自身を除く): 328459960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 794, 1588, 1871, 1985, 2779, 3176, 3742, 3970, 5558, 7484, 7940, 9355, 11116, 13097, 13895, 14968, 15880, 18710, 22232, 26194, 27790, 37420, 52388, 55580, 65485, 74840, 104776, 111160, 130970, 261940, 523880, 742787, 1485574, 2971148, 3713935, 5199509, 5942296, 7427870, 10399018, 14855740, 20798036, 25997545, 29711480, 41596072, 51995090, 103990180, 207980360]

約数ペア:

[(1, 207980360), (2, 103990180), (4, 51995090), (5, 41596072), (7, 29711480), (8, 25997545), (10, 20798036), (14, 14855740), (20, 10399018), (28, 7427870), (35, 5942296), (40, 5199509), (56, 3713935), (70, 2971148), (140, 1485574), (280, 742787), (397, 523880), (794, 261940), (1588, 130970), (1871, 111160), (1985, 104776), (2779, 74840), (3176, 65485), (3742, 55580), (3970, 52388), (5558, 37420), (7484, 27790), (7940, 26194), (9355, 22232), (11116, 18710), (13097, 15880), (13895, 14968)]