9719140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 20922804

約数和(自身を除く): 11203664

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 173, 212, 265, 346, 530, 692, 865, 1060, 1730, 2809, 3460, 5618, 9169, 11236, 14045, 18338, 28090, 36676, 45845, 56180, 91690, 183380, 485957, 971914, 1943828, 2429785, 4859570, 9719140]

約数ペア:

[(1, 9719140), (2, 4859570), (4, 2429785), (5, 1943828), (10, 971914), (20, 485957), (53, 183380), (106, 91690), (173, 56180), (212, 45845), (265, 36676), (346, 28090), (530, 18338), (692, 14045), (865, 11236), (1060, 9169), (1730, 5618), (2809, 3460)]