2521090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 5588352

約数和(自身を除く): 3067262

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 43, 55, 65, 82, 86, 110, 130, 143, 205, 215, 286, 410, 430, 451, 473, 533, 559, 715, 902, 946, 1066, 1118, 1430, 1763, 2255, 2365, 2665, 2795, 3526, 4510, 4730, 5330, 5590, 5863, 6149, 8815, 11726, 12298, 17630, 19393, 22919, 29315, 30745, 38786, 45838, 58630, 61490, 96965, 114595, 193930, 229190, 252109, 504218, 1260545, 2521090]

約数ペア:

[(1, 2521090), (2, 1260545), (5, 504218), (10, 252109), (11, 229190), (13, 193930), (22, 114595), (26, 96965), (41, 61490), (43, 58630), (55, 45838), (65, 38786), (82, 30745), (86, 29315), (110, 22919), (130, 19393), (143, 17630), (205, 12298), (215, 11726), (286, 8815), (410, 6149), (430, 5863), (451, 5590), (473, 5330), (533, 4730), (559, 4510), (715, 3526), (902, 2795), (946, 2665), (1066, 2365), (1118, 2255), (1430, 1763)]