84395780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2857}}^1$

素因数の和:3084

約数の個数: 48

約数和(自身を含む): 203581056

約数和(自身を除く): 119185276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2857, 2954, 4220, 5714, 5908, 7385, 11428, 14285, 14770, 19999, 28570, 29540, 39998, 57140, 79996, 99995, 199990, 399980, 602827, 1205654, 2411308, 3014135, 4219789, 6028270, 8439578, 12056540, 16879156, 21098945, 42197890, 84395780]

約数ペア:

[(1, 84395780), (2, 42197890), (4, 21098945), (5, 16879156), (7, 12056540), (10, 8439578), (14, 6028270), (20, 4219789), (28, 3014135), (35, 2411308), (70, 1205654), (140, 602827), (211, 399980), (422, 199990), (844, 99995), (1055, 79996), (1477, 57140), (2110, 39998), (2857, 29540), (2954, 28570), (4220, 19999), (5714, 14770), (5908, 14285), (7385, 11428)]