890863260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{111637}}^1$

素因数の和:111675

約数の個数: 96

約数和(自身を含む): 3000829440

約数和(自身を除く): 2109966180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 111637, 223274, 334911, 446548, 558185, 669822, 781459, 1116370, 1339644, 1562918, 1674555, 2121103, 2232740, 2344377, 3125836, 3349110, 3907295, 4242206, 4688754, 6363309, 6698220, 7814590, 8484412, 9377508, 10605515, 11721885, 12726618, 14847721, 15629180, 21211030, 23443770, 25453236, 29695442, 31816545, 42422060, 44543163, 46887540, 59390884, 63633090, 74238605, 89086326, 127266180, 148477210, 178172652, 222715815, 296954420, 445431630, 890863260]

約数ペア:

[(1, 890863260), (2, 445431630), (3, 296954420), (4, 222715815), (5, 178172652), (6, 148477210), (7, 127266180), (10, 89086326), (12, 74238605), (14, 63633090), (15, 59390884), (19, 46887540), (20, 44543163), (21, 42422060), (28, 31816545), (30, 29695442), (35, 25453236), (38, 23443770), (42, 21211030), (57, 15629180), (60, 14847721), (70, 12726618), (76, 11721885), (84, 10605515), (95, 9377508), (105, 8484412), (114, 7814590), (133, 6698220), (140, 6363309), (190, 4688754), (210, 4242206), (228, 3907295), (266, 3349110), (285, 3125836), (380, 2344377), (399, 2232740), (420, 2121103), (532, 1674555), (570, 1562918), (665, 1339644), (798, 1116370), (1140, 781459), (1330, 669822), (1596, 558185), (1995, 446548), (2660, 334911), (3990, 223274), (7980, 111637)]