201520760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719717}}^1$

素因数の和:719735

約数の個数: 32

約数和(自身を含む): 518196960

約数和(自身を除く): 316676200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719717, 1439434, 2878868, 3598585, 5038019, 5757736, 7197170, 10076038, 14394340, 20152076, 25190095, 28788680, 40304152, 50380190, 100760380, 201520760]

約数ペア:

[(1, 201520760), (2, 100760380), (4, 50380190), (5, 40304152), (7, 28788680), (8, 25190095), (10, 20152076), (14, 14394340), (20, 10076038), (28, 7197170), (35, 5757736), (40, 5038019), (56, 3598585), (70, 2878868), (140, 1439434), (280, 719717)]