203200000

素因数分解:

$2^9\times 5^5\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 120

約数和(自身を含む): 511467264

約数和(自身を除く): 308267264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 200, 250, 254, 256, 320, 400, 500, 508, 512, 625, 635, 640, 800, 1000, 1016, 1250, 1270, 1280, 1600, 2000, 2032, 2500, 2540, 2560, 3125, 3175, 3200, 4000, 4064, 5000, 5080, 6250, 6350, 6400, 8000, 8128, 10000, 10160, 12500, 12700, 12800, 15875, 16000, 16256, 20000, 20320, 25000, 25400, 31750, 32000, 32512, 40000, 40640, 50000, 50800, 63500, 64000, 65024, 79375, 80000, 81280, 100000, 101600, 127000, 158750, 160000, 162560, 200000, 203200, 254000, 317500, 320000, 325120, 396875, 400000, 406400, 508000, 635000, 793750, 800000, 812800, 1016000, 1270000, 1587500, 1600000, 1625600, 2032000, 2540000, 3175000, 4064000, 5080000, 6350000, 8128000, 10160000, 12700000, 20320000, 25400000, 40640000, 50800000, 101600000, 203200000]

約数ペア:

[(1, 203200000), (2, 101600000), (4, 50800000), (5, 40640000), (8, 25400000), (10, 20320000), (16, 12700000), (20, 10160000), (25, 8128000), (32, 6350000), (40, 5080000), (50, 4064000), (64, 3175000), (80, 2540000), (100, 2032000), (125, 1625600), (127, 1600000), (128, 1587500), (160, 1270000), (200, 1016000), (250, 812800), (254, 800000), (256, 793750), (320, 635000), (400, 508000), (500, 406400), (508, 400000), (512, 396875), (625, 325120), (635, 320000), (640, 317500), (800, 254000), (1000, 203200), (1016, 200000), (1250, 162560), (1270, 160000), (1280, 158750), (1600, 127000), (2000, 101600), (2032, 100000), (2500, 81280), (2540, 80000), (2560, 79375), (3125, 65024), (3175, 64000), (3200, 63500), (4000, 50800), (4064, 50000), (5000, 40640), (5080, 40000), (6250, 32512), (6350, 32000), (6400, 31750), (8000, 25400), (8128, 25000), (10000, 20320), (10160, 20000), (12500, 16256), (12700, 16000), (12800, 15875)]