173840680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1697}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 423617040

約数和(自身を除く): 249776360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1697, 1970, 2561, 3394, 3940, 5122, 6788, 7880, 8485, 10244, 12805, 13576, 16970, 20488, 22061, 25610, 33940, 44122, 51220, 67880, 88244, 102440, 110305, 176488, 220610, 334309, 441220, 668618, 882440, 1337236, 1671545, 2674472, 3343090, 4346017, 6686180, 8692034, 13372360, 17384068, 21730085, 34768136, 43460170, 86920340, 173840680]

約数ペア:

[(1, 173840680), (2, 86920340), (4, 43460170), (5, 34768136), (8, 21730085), (10, 17384068), (13, 13372360), (20, 8692034), (26, 6686180), (40, 4346017), (52, 3343090), (65, 2674472), (104, 1671545), (130, 1337236), (197, 882440), (260, 668618), (394, 441220), (520, 334309), (788, 220610), (985, 176488), (1576, 110305), (1697, 102440), (1970, 88244), (2561, 67880), (3394, 51220), (3940, 44122), (5122, 33940), (6788, 25610), (7880, 22061), (8485, 20488), (10244, 16970), (12805, 13576)]