201530840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719753}}^1$

素因数の和:719771

約数の個数: 32

約数和(自身を含む): 518222880

約数和(自身を除く): 316692040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719753, 1439506, 2879012, 3598765, 5038271, 5758024, 7197530, 10076542, 14395060, 20153084, 25191355, 28790120, 40306168, 50382710, 100765420, 201530840]

約数ペア:

[(1, 201530840), (2, 100765420), (4, 50382710), (5, 40306168), (7, 28790120), (8, 25191355), (10, 20153084), (14, 14395060), (20, 10076542), (28, 7197530), (35, 5758024), (40, 5038271), (56, 3598765), (70, 2879012), (140, 1439506), (280, 719753)]