71103640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 166212000

約数和(自身を除く): 95108360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 185, 214, 296, 370, 428, 449, 535, 740, 856, 898, 1070, 1480, 1796, 2140, 2245, 3592, 3959, 4280, 4490, 7918, 8980, 15836, 16613, 17960, 19795, 31672, 33226, 39590, 48043, 66452, 79180, 83065, 96086, 132904, 158360, 166130, 192172, 240215, 332260, 384344, 480430, 664520, 960860, 1777591, 1921720, 3555182, 7110364, 8887955, 14220728, 17775910, 35551820, 71103640]

約数ペア:

[(1, 71103640), (2, 35551820), (4, 17775910), (5, 14220728), (8, 8887955), (10, 7110364), (20, 3555182), (37, 1921720), (40, 1777591), (74, 960860), (107, 664520), (148, 480430), (185, 384344), (214, 332260), (296, 240215), (370, 192172), (428, 166130), (449, 158360), (535, 132904), (740, 96086), (856, 83065), (898, 79180), (1070, 66452), (1480, 48043), (1796, 39590), (2140, 33226), (2245, 31672), (3592, 19795), (3959, 17960), (4280, 16613), (4490, 15836), (7918, 8980)]