54918920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{196139}}^1$

素因数の和:196157

約数の個数: 32

約数和(自身を含む): 141220800

約数和(自身を除く): 86301880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 196139, 392278, 784556, 980695, 1372973, 1569112, 1961390, 2745946, 3922780, 5491892, 6864865, 7845560, 10983784, 13729730, 27459460, 54918920]

約数ペア:

[(1, 54918920), (2, 27459460), (4, 13729730), (5, 10983784), (7, 7845560), (8, 6864865), (10, 5491892), (14, 3922780), (20, 2745946), (28, 1961390), (35, 1569112), (40, 1372973), (56, 980695), (70, 784556), (140, 392278), (280, 196139)]