620199320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27737}}^1$

素因数の和:27804

約数の個数: 64

約数和(自身を含む): 1537794720

約数和(自身を除く): 917595400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 27737, 55474, 110948, 138685, 221896, 277370, 360581, 554740, 721162, 1109480, 1192691, 1442324, 1802905, 2385382, 2884648, 3605810, 4770764, 5963455, 7211620, 9541528, 11926910, 14423240, 15504983, 23853820, 31009966, 47707640, 62019932, 77524915, 124039864, 155049830, 310099660, 620199320]

約数ペア:

[(1, 620199320), (2, 310099660), (4, 155049830), (5, 124039864), (8, 77524915), (10, 62019932), (13, 47707640), (20, 31009966), (26, 23853820), (40, 15504983), (43, 14423240), (52, 11926910), (65, 9541528), (86, 7211620), (104, 5963455), (130, 4770764), (172, 3605810), (215, 2884648), (260, 2385382), (344, 1802905), (430, 1442324), (520, 1192691), (559, 1109480), (860, 721162), (1118, 554740), (1720, 360581), (2236, 277370), (2795, 221896), (4472, 138685), (5590, 110948), (11180, 55474), (22360, 27737)]