449992720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{330877}}^1$

素因数の和:330907

約数の個数: 40

約数和(自身を含む): 1107779544

約数和(自身を除く): 657786824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 330877, 661754, 1323508, 1654385, 2647016, 3308770, 5294032, 5624909, 6617540, 11249818, 13235080, 22499636, 26470160, 28124545, 44999272, 56249090, 89998544, 112498180, 224996360, 449992720]

約数ペア:

[(1, 449992720), (2, 224996360), (4, 112498180), (5, 89998544), (8, 56249090), (10, 44999272), (16, 28124545), (17, 26470160), (20, 22499636), (34, 13235080), (40, 11249818), (68, 6617540), (80, 5624909), (85, 5294032), (136, 3308770), (170, 2647016), (272, 1654385), (340, 1323508), (680, 661754), (1360, 330877)]