117717880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{420421}}^1$

素因数の和:420439

約数の個数: 32

約数和(自身を含む): 302703840

約数和(自身を除く): 184985960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 420421, 840842, 1681684, 2102105, 2942947, 3363368, 4204210, 5885894, 8408420, 11771788, 14714735, 16816840, 23543576, 29429470, 58858940, 117717880]

約数ペア:

[(1, 117717880), (2, 58858940), (4, 29429470), (5, 23543576), (7, 16816840), (8, 14714735), (10, 11771788), (14, 8408420), (20, 5885894), (28, 4204210), (35, 3363368), (40, 2942947), (56, 2102105), (70, 1681684), (140, 840842), (280, 420421)]