78119020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{751}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 187987968

約数和(自身を除く): 109868948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 743, 751, 1486, 1502, 2972, 3004, 3715, 3755, 5201, 5257, 7430, 7510, 10402, 10514, 14860, 15020, 20804, 21028, 26005, 26285, 52010, 52570, 104020, 105140, 557993, 1115986, 2231972, 2789965, 3905951, 5579930, 7811902, 11159860, 15623804, 19529755, 39059510, 78119020]

約数ペア:

[(1, 78119020), (2, 39059510), (4, 19529755), (5, 15623804), (7, 11159860), (10, 7811902), (14, 5579930), (20, 3905951), (28, 2789965), (35, 2231972), (70, 1115986), (140, 557993), (743, 105140), (751, 104020), (1486, 52570), (1502, 52010), (2972, 26285), (3004, 26005), (3715, 21028), (3755, 20804), (5201, 15020), (5257, 14860), (7430, 10514), (7510, 10402)]