84139390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{467}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 71536130

約数列:

[1, 2, 5, 10, 43, 86, 215, 419, 430, 467, 838, 934, 2095, 2335, 4190, 4670, 18017, 20081, 36034, 40162, 90085, 100405, 180170, 195673, 200810, 391346, 978365, 1956730, 8413939, 16827878, 42069695, 84139390]

約数ペア:

[(1, 84139390), (2, 42069695), (5, 16827878), (10, 8413939), (43, 1956730), (86, 978365), (215, 391346), (419, 200810), (430, 195673), (467, 180170), (838, 100405), (934, 90085), (2095, 40162), (2335, 36034), (4190, 20081), (4670, 18017)]