137815720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3541}}^1$

素因数の和:3698

約数の個数: 64

約数和(自身を含む): 357033600

約数和(自身を除く): 219217880

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, 1946, 2780, 3541, 3892, 4865, 5560, 7082, 7784, 9730, 14164, 17705, 19460, 24787, 28328, 35410, 38920, 49574, 70820, 99148, 123935, 141640, 198296, 247870, 492199, 495740, 984398, 991480, 1968796, 2460995, 3445393, 3937592, 4921990, 6890786, 9843980, 13781572, 17226965, 19687960, 27563144, 34453930, 68907860, 137815720]

約数ペア:

[(1, 137815720), (2, 68907860), (4, 34453930), (5, 27563144), (7, 19687960), (8, 17226965), (10, 13781572), (14, 9843980), (20, 6890786), (28, 4921990), (35, 3937592), (40, 3445393), (56, 2460995), (70, 1968796), (139, 991480), (140, 984398), (278, 495740), (280, 492199), (556, 247870), (695, 198296), (973, 141640), (1112, 123935), (1390, 99148), (1946, 70820), (2780, 49574), (3541, 38920), (3892, 35410), (4865, 28328), (5560, 24787), (7082, 19460), (7784, 17705), (9730, 14164)]