287026520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1977

約数の個数: 96

約数和(自身を含む): 733138560

約数和(自身を除く): 446112040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 1210, 1240, 1364, 1705, 1913, 2420, 2728, 3410, 3751, 3826, 4840, 6820, 7502, 7652, 9565, 13640, 15004, 15304, 18755, 19130, 21043, 30008, 37510, 38260, 42086, 59303, 75020, 76520, 84172, 105215, 118606, 150040, 168344, 210430, 231473, 237212, 296515, 420860, 462946, 474424, 593030, 652333, 841720, 925892, 1157365, 1186060, 1304666, 1851784, 2314730, 2372120, 2609332, 3261665, 4629460, 5218664, 6523330, 7175663, 9258920, 13046660, 14351326, 26093320, 28702652, 35878315, 57405304, 71756630, 143513260, 287026520]

約数ペア:

[(1, 287026520), (2, 143513260), (4, 71756630), (5, 57405304), (8, 35878315), (10, 28702652), (11, 26093320), (20, 14351326), (22, 13046660), (31, 9258920), (40, 7175663), (44, 6523330), (55, 5218664), (62, 4629460), (88, 3261665), (110, 2609332), (121, 2372120), (124, 2314730), (155, 1851784), (220, 1304666), (242, 1186060), (248, 1157365), (310, 925892), (341, 841720), (440, 652333), (484, 593030), (605, 474424), (620, 462946), (682, 420860), (968, 296515), (1210, 237212), (1240, 231473), (1364, 210430), (1705, 168344), (1913, 150040), (2420, 118606), (2728, 105215), (3410, 84172), (3751, 76520), (3826, 75020), (4840, 59303), (6820, 42086), (7502, 38260), (7652, 37510), (9565, 30008), (13640, 21043), (15004, 19130), (15304, 18755)]