490689020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1443203}}^1$

素因数の和:1443229

約数の個数: 24

約数和(自身を含む): 1091062224

約数和(自身を除く): 600373204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1443203, 2886406, 5772812, 7216015, 14432030, 24534451, 28864060, 49068902, 98137804, 122672255, 245344510, 490689020]

約数ペア:

[(1, 490689020), (2, 245344510), (4, 122672255), (5, 98137804), (10, 49068902), (17, 28864060), (20, 24534451), (34, 14432030), (68, 7216015), (85, 5772812), (170, 2886406), (340, 1443203)]