38814380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 91923216

約数和(自身を除く): 53108836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 373, 430, 473, 484, 605, 746, 860, 946, 1210, 1492, 1865, 1892, 2365, 2420, 3730, 4103, 4730, 5203, 7460, 8206, 9460, 10406, 16039, 16412, 20515, 20812, 26015, 32078, 41030, 45133, 52030, 64156, 80195, 82060, 90266, 104060, 160390, 176429, 180532, 225665, 320780, 352858, 451330, 705716, 882145, 902660, 1764290, 1940719, 3528580, 3881438, 7762876, 9703595, 19407190, 38814380]

約数ペア:

[(1, 38814380), (2, 19407190), (4, 9703595), (5, 7762876), (10, 3881438), (11, 3528580), (20, 1940719), (22, 1764290), (43, 902660), (44, 882145), (55, 705716), (86, 451330), (110, 352858), (121, 320780), (172, 225665), (215, 180532), (220, 176429), (242, 160390), (373, 104060), (430, 90266), (473, 82060), (484, 80195), (605, 64156), (746, 52030), (860, 45133), (946, 41030), (1210, 32078), (1492, 26015), (1865, 20812), (1892, 20515), (2365, 16412), (2420, 16039), (3730, 10406), (4103, 9460), (4730, 8206), (5203, 7460)]