27820340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 33651532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 307, 394, 460, 614, 788, 985, 1228, 1535, 1970, 3070, 3940, 4531, 6140, 7061, 9062, 14122, 18124, 22655, 28244, 35305, 45310, 60479, 70610, 90620, 120958, 141220, 241916, 302395, 604790, 1209580, 1391017, 2782034, 5564068, 6955085, 13910170, 27820340]

約数ペア:

[(1, 27820340), (2, 13910170), (4, 6955085), (5, 5564068), (10, 2782034), (20, 1391017), (23, 1209580), (46, 604790), (92, 302395), (115, 241916), (197, 141220), (230, 120958), (307, 90620), (394, 70610), (460, 60479), (614, 45310), (788, 35305), (985, 28244), (1228, 22655), (1535, 18124), (1970, 14122), (3070, 9062), (3940, 7061), (4531, 6140)]