289360760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12941}}^1$

素因数の和:13008

約数の個数: 64

約数和(自身を含む): 717504480

約数和(自身を除く): 428143720

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, 12941, 22360, 25882, 51764, 64705, 103528, 129410, 168233, 258820, 336466, 517640, 556463, 672932, 841165, 1112926, 1345864, 1682330, 2225852, 2782315, 3364660, 4451704, 5564630, 6729320, 7234019, 11129260, 14468038, 22258520, 28936076, 36170095, 57872152, 72340190, 144680380, 289360760]

約数ペア:

[(1, 289360760), (2, 144680380), (4, 72340190), (5, 57872152), (8, 36170095), (10, 28936076), (13, 22258520), (20, 14468038), (26, 11129260), (40, 7234019), (43, 6729320), (52, 5564630), (65, 4451704), (86, 3364660), (104, 2782315), (130, 2225852), (172, 1682330), (215, 1345864), (260, 1112926), (344, 841165), (430, 672932), (520, 556463), (559, 517640), (860, 336466), (1118, 258820), (1720, 168233), (2236, 129410), (2795, 103528), (4472, 64705), (5590, 51764), (11180, 25882), (12941, 22360)]