177788780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{14549}}^1$

素因数の和:14618

約数の個数: 48

約数和(自身を含む): 410659200

約数和(自身を除く): 232870420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 14549, 29098, 58196, 72745, 145490, 189137, 290980, 378274, 683803, 756548, 945685, 1367606, 1891370, 2735212, 3419015, 3782740, 6838030, 8889439, 13676060, 17778878, 35557756, 44447195, 88894390, 177788780]

約数ペア:

[(1, 177788780), (2, 88894390), (4, 44447195), (5, 35557756), (10, 17778878), (13, 13676060), (20, 8889439), (26, 6838030), (47, 3782740), (52, 3419015), (65, 2735212), (94, 1891370), (130, 1367606), (188, 945685), (235, 756548), (260, 683803), (470, 378274), (611, 290980), (940, 189137), (1222, 145490), (2444, 72745), (3055, 58196), (6110, 29098), (12220, 14549)]