2786920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 6652260

約数和(自身を除く): 3865340

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 193, 361, 380, 386, 722, 760, 772, 965, 1444, 1544, 1805, 1930, 2888, 3610, 3667, 3860, 7220, 7334, 7720, 14440, 14668, 18335, 29336, 36670, 69673, 73340, 139346, 146680, 278692, 348365, 557384, 696730, 1393460, 2786920]

約数ペア:

[(1, 2786920), (2, 1393460), (4, 696730), (5, 557384), (8, 348365), (10, 278692), (19, 146680), (20, 139346), (38, 73340), (40, 69673), (76, 36670), (95, 29336), (152, 18335), (190, 14668), (193, 14440), (361, 7720), (380, 7334), (386, 7220), (722, 3860), (760, 3667), (772, 3610), (965, 2888), (1444, 1930), (1544, 1805)]