28978400

素因数分解:

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

素因数の和:157

約数の個数: 144

約数和(自身を含む): 80151120

約数和(自身を除く): 51172720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 74, 80, 88, 89, 100, 110, 148, 160, 176, 178, 185, 200, 220, 275, 296, 352, 356, 370, 400, 407, 440, 445, 550, 592, 712, 740, 800, 814, 880, 890, 925, 979, 1100, 1184, 1424, 1480, 1628, 1760, 1780, 1850, 1958, 2035, 2200, 2225, 2848, 2960, 3256, 3293, 3560, 3700, 3916, 4070, 4400, 4450, 4895, 5920, 6512, 6586, 7120, 7400, 7832, 8140, 8800, 8900, 9790, 10175, 13024, 13172, 14240, 14800, 15664, 16280, 16465, 17800, 19580, 20350, 24475, 26344, 29600, 31328, 32560, 32930, 35600, 36223, 39160, 40700, 48950, 52688, 65120, 65860, 71200, 72446, 78320, 81400, 82325, 97900, 105376, 131720, 144892, 156640, 162800, 164650, 181115, 195800, 263440, 289784, 325600, 329300, 362230, 391600, 526880, 579568, 658600, 724460, 783200, 905575, 1159136, 1317200, 1448920, 1811150, 2634400, 2897840, 3622300, 5795680, 7244600, 14489200, 28978400]

約数ペア:

[(1, 28978400), (2, 14489200), (4, 7244600), (5, 5795680), (8, 3622300), (10, 2897840), (11, 2634400), (16, 1811150), (20, 1448920), (22, 1317200), (25, 1159136), (32, 905575), (37, 783200), (40, 724460), (44, 658600), (50, 579568), (55, 526880), (74, 391600), (80, 362230), (88, 329300), (89, 325600), (100, 289784), (110, 263440), (148, 195800), (160, 181115), (176, 164650), (178, 162800), (185, 156640), (200, 144892), (220, 131720), (275, 105376), (296, 97900), (352, 82325), (356, 81400), (370, 78320), (400, 72446), (407, 71200), (440, 65860), (445, 65120), (550, 52688), (592, 48950), (712, 40700), (740, 39160), (800, 36223), (814, 35600), (880, 32930), (890, 32560), (925, 31328), (979, 29600), (1100, 26344), (1184, 24475), (1424, 20350), (1480, 19580), (1628, 17800), (1760, 16465), (1780, 16280), (1850, 15664), (1958, 14800), (2035, 14240), (2200, 13172), (2225, 13024), (2848, 10175), (2960, 9790), (3256, 8900), (3293, 8800), (3560, 8140), (3700, 7832), (3916, 7400), (4070, 7120), (4400, 6586), (4450, 6512), (4895, 5920)]