444782020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{2539}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 985723200

約数和(自身を除く): 540941180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 461, 922, 1844, 2305, 2539, 4610, 5078, 8759, 9220, 10156, 12695, 17518, 25390, 35036, 43795, 48241, 50780, 87590, 96482, 175180, 192964, 241205, 482410, 964820, 1170479, 2340958, 4681916, 5852395, 11704790, 22239101, 23409580, 44478202, 88956404, 111195505, 222391010, 444782020]

約数ペア:

[(1, 444782020), (2, 222391010), (4, 111195505), (5, 88956404), (10, 44478202), (19, 23409580), (20, 22239101), (38, 11704790), (76, 5852395), (95, 4681916), (190, 2340958), (380, 1170479), (461, 964820), (922, 482410), (1844, 241205), (2305, 192964), (2539, 175180), (4610, 96482), (5078, 87590), (8759, 50780), (9220, 48241), (10156, 43795), (12695, 35036), (17518, 25390)]