218440000

素因数分解:

$2^6\times 5^4\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 140

約数和(自身を含む): 558621184

約数和(自身を除く): 340181184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 125, 127, 160, 172, 200, 215, 250, 254, 320, 344, 400, 430, 500, 508, 625, 635, 688, 800, 860, 1000, 1016, 1075, 1250, 1270, 1376, 1600, 1720, 2000, 2032, 2150, 2500, 2540, 2752, 3175, 3440, 4000, 4064, 4300, 5000, 5080, 5375, 5461, 6350, 6880, 8000, 8128, 8600, 10000, 10160, 10750, 10922, 12700, 13760, 15875, 17200, 20000, 20320, 21500, 21844, 25400, 26875, 27305, 31750, 34400, 40000, 40640, 43000, 43688, 50800, 53750, 54610, 63500, 68800, 79375, 86000, 87376, 101600, 107500, 109220, 127000, 136525, 158750, 172000, 174752, 203200, 215000, 218440, 254000, 273050, 317500, 344000, 349504, 430000, 436880, 508000, 546100, 635000, 682625, 860000, 873760, 1016000, 1092200, 1270000, 1365250, 1720000, 1747520, 2184400, 2540000, 2730500, 3413125, 4368800, 5080000, 5461000, 6826250, 8737600, 10922000, 13652500, 21844000, 27305000, 43688000, 54610000, 109220000, 218440000]

約数ペア:

[(1, 218440000), (2, 109220000), (4, 54610000), (5, 43688000), (8, 27305000), (10, 21844000), (16, 13652500), (20, 10922000), (25, 8737600), (32, 6826250), (40, 5461000), (43, 5080000), (50, 4368800), (64, 3413125), (80, 2730500), (86, 2540000), (100, 2184400), (125, 1747520), (127, 1720000), (160, 1365250), (172, 1270000), (200, 1092200), (215, 1016000), (250, 873760), (254, 860000), (320, 682625), (344, 635000), (400, 546100), (430, 508000), (500, 436880), (508, 430000), (625, 349504), (635, 344000), (688, 317500), (800, 273050), (860, 254000), (1000, 218440), (1016, 215000), (1075, 203200), (1250, 174752), (1270, 172000), (1376, 158750), (1600, 136525), (1720, 127000), (2000, 109220), (2032, 107500), (2150, 101600), (2500, 87376), (2540, 86000), (2752, 79375), (3175, 68800), (3440, 63500), (4000, 54610), (4064, 53750), (4300, 50800), (5000, 43688), (5080, 43000), (5375, 40640), (5461, 40000), (6350, 34400), (6880, 31750), (8000, 27305), (8128, 26875), (8600, 25400), (10000, 21844), (10160, 21500), (10750, 20320), (10922, 20000), (12700, 17200), (13760, 15875)]