516565540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{1543}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 1143918720

約数和(自身を除く): 627353180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 881, 1543, 1762, 3086, 3524, 4405, 6172, 7715, 8810, 15430, 16739, 17620, 29317, 30860, 33478, 58634, 66956, 83695, 117268, 146585, 167390, 293170, 334780, 586340, 1359383, 2718766, 5437532, 6796915, 13593830, 25828277, 27187660, 51656554, 103313108, 129141385, 258282770, 516565540]

約数ペア:

[(1, 516565540), (2, 258282770), (4, 129141385), (5, 103313108), (10, 51656554), (19, 27187660), (20, 25828277), (38, 13593830), (76, 6796915), (95, 5437532), (190, 2718766), (380, 1359383), (881, 586340), (1543, 334780), (1762, 293170), (3086, 167390), (3524, 146585), (4405, 117268), (6172, 83695), (7715, 66956), (8810, 58634), (15430, 33478), (16739, 30860), (17620, 29317)]