2897840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 7633440

約数和(自身を除く): 4735600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 89, 110, 148, 176, 178, 185, 220, 296, 356, 370, 407, 440, 445, 592, 712, 740, 814, 880, 890, 979, 1424, 1480, 1628, 1780, 1958, 2035, 2960, 3256, 3293, 3560, 3916, 4070, 4895, 6512, 6586, 7120, 7832, 8140, 9790, 13172, 15664, 16280, 16465, 19580, 26344, 32560, 32930, 36223, 39160, 52688, 65860, 72446, 78320, 131720, 144892, 181115, 263440, 289784, 362230, 579568, 724460, 1448920, 2897840]

約数ペア:

[(1, 2897840), (2, 1448920), (4, 724460), (5, 579568), (8, 362230), (10, 289784), (11, 263440), (16, 181115), (20, 144892), (22, 131720), (37, 78320), (40, 72446), (44, 65860), (55, 52688), (74, 39160), (80, 36223), (88, 32930), (89, 32560), (110, 26344), (148, 19580), (176, 16465), (178, 16280), (185, 15664), (220, 13172), (296, 9790), (356, 8140), (370, 7832), (407, 7120), (440, 6586), (445, 6512), (592, 4895), (712, 4070), (740, 3916), (814, 3560), (880, 3293), (890, 3256), (979, 2960), (1424, 2035), (1480, 1958), (1628, 1780)]