138741040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 343415520

約数和(自身を除く): 204674480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 941, 970, 1520, 1552, 1843, 1882, 1940, 3686, 3764, 3880, 4705, 7372, 7528, 7760, 9215, 9410, 14744, 15056, 17879, 18430, 18820, 29488, 35758, 36860, 37640, 71516, 73720, 75280, 89395, 91277, 143032, 147440, 178790, 182554, 286064, 357580, 365108, 456385, 715160, 730216, 912770, 1430320, 1460432, 1734263, 1825540, 3468526, 3651080, 6937052, 7302160, 8671315, 13874104, 17342630, 27748208, 34685260, 69370520, 138741040]

約数ペア:

[(1, 138741040), (2, 69370520), (4, 34685260), (5, 27748208), (8, 17342630), (10, 13874104), (16, 8671315), (19, 7302160), (20, 6937052), (38, 3651080), (40, 3468526), (76, 1825540), (80, 1734263), (95, 1460432), (97, 1430320), (152, 912770), (190, 730216), (194, 715160), (304, 456385), (380, 365108), (388, 357580), (485, 286064), (760, 182554), (776, 178790), (941, 147440), (970, 143032), (1520, 91277), (1552, 89395), (1843, 75280), (1882, 73720), (1940, 71516), (3686, 37640), (3764, 36860), (3880, 35758), (4705, 29488), (7372, 18820), (7528, 18430), (7760, 17879), (9215, 15056), (9410, 14744)]