4008760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 10483200

約数和(自身を除く): 6474440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 139, 140, 206, 278, 280, 412, 515, 556, 695, 721, 824, 973, 1030, 1112, 1390, 1442, 1946, 2060, 2780, 2884, 3605, 3892, 4120, 4865, 5560, 5768, 7210, 7784, 9730, 14317, 14420, 19460, 28634, 28840, 38920, 57268, 71585, 100219, 114536, 143170, 200438, 286340, 400876, 501095, 572680, 801752, 1002190, 2004380, 4008760]

約数ペア:

[(1, 4008760), (2, 2004380), (4, 1002190), (5, 801752), (7, 572680), (8, 501095), (10, 400876), (14, 286340), (20, 200438), (28, 143170), (35, 114536), (40, 100219), (56, 71585), (70, 57268), (103, 38920), (139, 28840), (140, 28634), (206, 19460), (278, 14420), (280, 14317), (412, 9730), (515, 7784), (556, 7210), (695, 5768), (721, 5560), (824, 4865), (973, 4120), (1030, 3892), (1112, 3605), (1390, 2884), (1442, 2780), (1946, 2060)]