219678680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{422459}}^1$

素因数の和:422483

約数の個数: 32

約数和(自身を含む): 532299600

約数和(自身を除く): 312620920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 422459, 844918, 1689836, 2112295, 3379672, 4224590, 5491967, 8449180, 10983934, 16898360, 21967868, 27459835, 43935736, 54919670, 109839340, 219678680]

約数ペア:

[(1, 219678680), (2, 109839340), (4, 54919670), (5, 43935736), (8, 27459835), (10, 21967868), (13, 16898360), (20, 10983934), (26, 8449180), (40, 5491967), (52, 4224590), (65, 3379672), (104, 2112295), (130, 1689836), (260, 844918), (520, 422459)]