2018147240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{3037}}^1$

素因数の和:3534

約数の個数: 64

約数和(自身を含む): 4675482000

約数和(自身を除く): 2657334760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 449, 740, 898, 1480, 1796, 2245, 3037, 3592, 4490, 6074, 8980, 12148, 15185, 16613, 17960, 24296, 30370, 33226, 60740, 66452, 83065, 112369, 121480, 132904, 166130, 224738, 332260, 449476, 561845, 664520, 898952, 1123690, 1363613, 2247380, 2727226, 4494760, 5454452, 6818065, 10908904, 13636130, 27272260, 50453681, 54544520, 100907362, 201814724, 252268405, 403629448, 504536810, 1009073620, 2018147240]

約数ペア:

[(1, 2018147240), (2, 1009073620), (4, 504536810), (5, 403629448), (8, 252268405), (10, 201814724), (20, 100907362), (37, 54544520), (40, 50453681), (74, 27272260), (148, 13636130), (185, 10908904), (296, 6818065), (370, 5454452), (449, 4494760), (740, 2727226), (898, 2247380), (1480, 1363613), (1796, 1123690), (2245, 898952), (3037, 664520), (3592, 561845), (4490, 449476), (6074, 332260), (8980, 224738), (12148, 166130), (15185, 132904), (16613, 121480), (17960, 112369), (24296, 83065), (30370, 66452), (33226, 60740)]