278727990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{320377}}^1$

素因数の和:320416

約数の個数: 32

約数和(自身を含む): 692016480

約数和(自身を除く): 413288490

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 320377, 640754, 961131, 1601885, 1922262, 3203770, 4805655, 9290933, 9611310, 18581866, 27872799, 46454665, 55745598, 92909330, 139363995, 278727990]

約数ペア:

[(1, 278727990), (2, 139363995), (3, 92909330), (5, 55745598), (6, 46454665), (10, 27872799), (15, 18581866), (29, 9611310), (30, 9290933), (58, 4805655), (87, 3203770), (145, 1922262), (174, 1601885), (290, 961131), (435, 640754), (870, 320377)]