71220940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2411}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 171811584

約数和(自身を除く): 100590644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2411, 2954, 4220, 4822, 5908, 7385, 9644, 12055, 14770, 16877, 24110, 29540, 33754, 48220, 67508, 84385, 168770, 337540, 508721, 1017442, 2034884, 2543605, 3561047, 5087210, 7122094, 10174420, 14244188, 17805235, 35610470, 71220940]

約数ペア:

[(1, 71220940), (2, 35610470), (4, 17805235), (5, 14244188), (7, 10174420), (10, 7122094), (14, 5087210), (20, 3561047), (28, 2543605), (35, 2034884), (70, 1017442), (140, 508721), (211, 337540), (422, 168770), (844, 84385), (1055, 67508), (1477, 48220), (2110, 33754), (2411, 29540), (2954, 24110), (4220, 16877), (4822, 14770), (5908, 12055), (7385, 9644)]