249436720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239843}}^1$

素因数の和:239869

約数の個数: 40

約数和(自身を含む): 624553776

約数和(自身を除く): 375117056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 239843, 479686, 959372, 1199215, 1918744, 2398430, 3117959, 3837488, 4796860, 6235918, 9593720, 12471836, 15589795, 19187440, 24943672, 31179590, 49887344, 62359180, 124718360, 249436720]

約数ペア:

[(1, 249436720), (2, 124718360), (4, 62359180), (5, 49887344), (8, 31179590), (10, 24943672), (13, 19187440), (16, 15589795), (20, 12471836), (26, 9593720), (40, 6235918), (52, 4796860), (65, 3837488), (80, 3117959), (104, 2398430), (130, 1918744), (208, 1199215), (260, 959372), (520, 479686), (1040, 239843)]