74220440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1907}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 192326400

約数和(自身を除く): 118105960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1907, 1946, 2780, 3814, 3892, 4865, 5560, 7628, 7784, 9535, 9730, 13349, 15256, 19070, 19460, 26698, 38140, 38920, 53396, 66745, 76280, 106792, 133490, 265073, 266980, 530146, 533960, 1060292, 1325365, 1855511, 2120584, 2650730, 3711022, 5301460, 7422044, 9277555, 10602920, 14844088, 18555110, 37110220, 74220440]

約数ペア:

[(1, 74220440), (2, 37110220), (4, 18555110), (5, 14844088), (7, 10602920), (8, 9277555), (10, 7422044), (14, 5301460), (20, 3711022), (28, 2650730), (35, 2120584), (40, 1855511), (56, 1325365), (70, 1060292), (139, 533960), (140, 530146), (278, 266980), (280, 265073), (556, 133490), (695, 106792), (973, 76280), (1112, 66745), (1390, 53396), (1907, 38920), (1946, 38140), (2780, 26698), (3814, 19460), (3892, 19070), (4865, 15256), (5560, 13349), (7628, 9730), (7784, 9535)]