199375280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191707}}^1$

素因数の和:191733

約数の個数: 40

約数和(自身を含む): 499207632

約数和(自身を除く): 299832352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 191707, 383414, 766828, 958535, 1533656, 1917070, 2492191, 3067312, 3834140, 4984382, 7668280, 9968764, 12460955, 15336560, 19937528, 24921910, 39875056, 49843820, 99687640, 199375280]

約数ペア:

[(1, 199375280), (2, 99687640), (4, 49843820), (5, 39875056), (8, 24921910), (10, 19937528), (13, 15336560), (16, 12460955), (20, 9968764), (26, 7668280), (40, 4984382), (52, 3834140), (65, 3067312), (80, 2492191), (104, 1917070), (130, 1533656), (208, 958535), (260, 766828), (520, 383414), (1040, 191707)]