200320000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 110

約数和(自身を含む): 501993998

約数和(自身を除く): 301673998

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 313, 320, 400, 500, 512, 625, 626, 640, 800, 1000, 1024, 1250, 1252, 1280, 1565, 1600, 2000, 2500, 2504, 2560, 3130, 3200, 4000, 5000, 5008, 5120, 6260, 6400, 7825, 8000, 10000, 10016, 12520, 12800, 15650, 16000, 20000, 20032, 25040, 25600, 31300, 32000, 39125, 40000, 40064, 50080, 62600, 64000, 78250, 80000, 80128, 100160, 125200, 128000, 156500, 160000, 160256, 195625, 200320, 250400, 313000, 320000, 320512, 391250, 400640, 500800, 626000, 640000, 782500, 801280, 1001600, 1252000, 1565000, 1602560, 2003200, 2504000, 3130000, 4006400, 5008000, 6260000, 8012800, 10016000, 12520000, 20032000, 25040000, 40064000, 50080000, 100160000, 200320000]

約数ペア:

[(1, 200320000), (2, 100160000), (4, 50080000), (5, 40064000), (8, 25040000), (10, 20032000), (16, 12520000), (20, 10016000), (25, 8012800), (32, 6260000), (40, 5008000), (50, 4006400), (64, 3130000), (80, 2504000), (100, 2003200), (125, 1602560), (128, 1565000), (160, 1252000), (200, 1001600), (250, 801280), (256, 782500), (313, 640000), (320, 626000), (400, 500800), (500, 400640), (512, 391250), (625, 320512), (626, 320000), (640, 313000), (800, 250400), (1000, 200320), (1024, 195625), (1250, 160256), (1252, 160000), (1280, 156500), (1565, 128000), (1600, 125200), (2000, 100160), (2500, 80128), (2504, 80000), (2560, 78250), (3130, 64000), (3200, 62600), (4000, 50080), (5000, 40064), (5008, 40000), (5120, 39125), (6260, 32000), (6400, 31300), (7825, 25600), (8000, 25040), (10000, 20032), (10016, 20000), (12520, 16000), (12800, 15650)]