210220000

素因数分解:

$2^5\times 5^4\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 120

約数和(自身を含む): 540839376

約数和(自身を除く): 330619376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 368, 400, 457, 460, 500, 575, 625, 736, 800, 914, 920, 1000, 1150, 1250, 1828, 1840, 2000, 2285, 2300, 2500, 2875, 3656, 3680, 4000, 4570, 4600, 5000, 5750, 7312, 9140, 9200, 10000, 10511, 11425, 11500, 14375, 14624, 18280, 18400, 20000, 21022, 22850, 23000, 28750, 36560, 42044, 45700, 46000, 52555, 57125, 57500, 73120, 84088, 91400, 92000, 105110, 114250, 115000, 168176, 182800, 210220, 228500, 230000, 262775, 285625, 336352, 365600, 420440, 457000, 460000, 525550, 571250, 840880, 914000, 1051100, 1142500, 1313875, 1681760, 1828000, 2102200, 2285000, 2627750, 4204400, 4570000, 5255500, 6569375, 8408800, 9140000, 10511000, 13138750, 21022000, 26277500, 42044000, 52555000, 105110000, 210220000]

約数ペア:

[(1, 210220000), (2, 105110000), (4, 52555000), (5, 42044000), (8, 26277500), (10, 21022000), (16, 13138750), (20, 10511000), (23, 9140000), (25, 8408800), (32, 6569375), (40, 5255500), (46, 4570000), (50, 4204400), (80, 2627750), (92, 2285000), (100, 2102200), (115, 1828000), (125, 1681760), (160, 1313875), (184, 1142500), (200, 1051100), (230, 914000), (250, 840880), (368, 571250), (400, 525550), (457, 460000), (460, 457000), (500, 420440), (575, 365600), (625, 336352), (736, 285625), (800, 262775), (914, 230000), (920, 228500), (1000, 210220), (1150, 182800), (1250, 168176), (1828, 115000), (1840, 114250), (2000, 105110), (2285, 92000), (2300, 91400), (2500, 84088), (2875, 73120), (3656, 57500), (3680, 57125), (4000, 52555), (4570, 46000), (4600, 45700), (5000, 42044), (5750, 36560), (7312, 28750), (9140, 23000), (9200, 22850), (10000, 21022), (10511, 20000), (11425, 18400), (11500, 18280), (14375, 14624)]