890280140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1\times {\mathrm{1697}}^1$

素因数の和:3266

約数の個数: 48

約数和(自身を含む): 1982014272

約数和(自身を除く): 1091734132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1543, 1697, 3086, 3394, 6172, 6788, 7715, 8485, 15430, 16970, 26231, 28849, 30860, 33940, 52462, 57698, 104924, 115396, 131155, 144245, 262310, 288490, 524620, 576980, 2618471, 5236942, 10473884, 13092355, 26184710, 44514007, 52369420, 89028014, 178056028, 222570035, 445140070, 890280140]

約数ペア:

[(1, 890280140), (2, 445140070), (4, 222570035), (5, 178056028), (10, 89028014), (17, 52369420), (20, 44514007), (34, 26184710), (68, 13092355), (85, 10473884), (170, 5236942), (340, 2618471), (1543, 576980), (1697, 524620), (3086, 288490), (3394, 262310), (6172, 144245), (6788, 131155), (7715, 115396), (8485, 104924), (15430, 57698), (16970, 52462), (26231, 33940), (28849, 30860)]