1900538920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6787639}}^1$

素因数の和:6787657

約数の個数: 32

約数和(自身を含む): 4887100800

約数和(自身を除く): 2986561880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6787639, 13575278, 27150556, 33938195, 47513473, 54301112, 67876390, 95026946, 135752780, 190053892, 237567365, 271505560, 380107784, 475134730, 950269460, 1900538920]

約数ペア:

[(1, 1900538920), (2, 950269460), (4, 475134730), (5, 380107784), (7, 271505560), (8, 237567365), (10, 190053892), (14, 135752780), (20, 95026946), (28, 67876390), (35, 54301112), (40, 47513473), (56, 33938195), (70, 27150556), (140, 13575278), (280, 6787639)]