404766040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1445593}}^1$

素因数の和:1445611

約数の個数: 32

約数和(自身を含む): 1040827680

約数和(自身を除く): 636061640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1445593, 2891186, 5782372, 7227965, 10119151, 11564744, 14455930, 20238302, 28911860, 40476604, 50595755, 57823720, 80953208, 101191510, 202383020, 404766040]

約数ペア:

[(1, 404766040), (2, 202383020), (4, 101191510), (5, 80953208), (7, 57823720), (8, 50595755), (10, 40476604), (14, 28911860), (20, 20238302), (28, 14455930), (35, 11564744), (40, 10119151), (56, 7227965), (70, 5782372), (140, 2891186), (280, 1445593)]