278962890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{320647}}^1$

素因数の和:320686

約数の個数: 32

約数和(自身を含む): 692599680

約数和(自身を除く): 413636790

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 320647, 641294, 961941, 1603235, 1923882, 3206470, 4809705, 9298763, 9619410, 18597526, 27896289, 46493815, 55792578, 92987630, 139481445, 278962890]

約数ペア:

[(1, 278962890), (2, 139481445), (3, 92987630), (5, 55792578), (6, 46493815), (10, 27896289), (15, 18597526), (29, 9619410), (30, 9298763), (58, 4809705), (87, 3206470), (145, 1923882), (174, 1603235), (290, 961941), (435, 641294), (870, 320647)]