153403880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{547871}}^1$

素因数の和:547889

約数の個数: 32

約数和(自身を含む): 394467840

約数和(自身を除く): 241063960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 547871, 1095742, 2191484, 2739355, 3835097, 4382968, 5478710, 7670194, 10957420, 15340388, 19175485, 21914840, 30680776, 38350970, 76701940, 153403880]

約数ペア:

[(1, 153403880), (2, 76701940), (4, 38350970), (5, 30680776), (7, 21914840), (8, 19175485), (10, 15340388), (14, 10957420), (20, 7670194), (28, 5478710), (35, 4382968), (40, 3835097), (56, 2739355), (70, 2191484), (140, 1095742), (280, 547871)]