200660000

素因数分解:

$2^5\times 5^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 120

約数和(自身を含む): 503838720

約数和(自身を除く): 303178720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 125, 127, 158, 160, 200, 250, 254, 316, 395, 400, 500, 508, 625, 632, 635, 790, 800, 1000, 1016, 1250, 1264, 1270, 1580, 1975, 2000, 2032, 2500, 2528, 2540, 3160, 3175, 3950, 4000, 4064, 5000, 5080, 6320, 6350, 7900, 9875, 10000, 10033, 10160, 12640, 12700, 15800, 15875, 19750, 20000, 20066, 20320, 25400, 31600, 31750, 39500, 40132, 49375, 50165, 50800, 63200, 63500, 79000, 79375, 80264, 98750, 100330, 101600, 127000, 158000, 158750, 160528, 197500, 200660, 250825, 254000, 316000, 317500, 321056, 395000, 401320, 501650, 508000, 635000, 790000, 802640, 1003300, 1254125, 1270000, 1580000, 1605280, 2006600, 2508250, 2540000, 4013200, 5016500, 6270625, 8026400, 10033000, 12541250, 20066000, 25082500, 40132000, 50165000, 100330000, 200660000]

約数ペア:

[(1, 200660000), (2, 100330000), (4, 50165000), (5, 40132000), (8, 25082500), (10, 20066000), (16, 12541250), (20, 10033000), (25, 8026400), (32, 6270625), (40, 5016500), (50, 4013200), (79, 2540000), (80, 2508250), (100, 2006600), (125, 1605280), (127, 1580000), (158, 1270000), (160, 1254125), (200, 1003300), (250, 802640), (254, 790000), (316, 635000), (395, 508000), (400, 501650), (500, 401320), (508, 395000), (625, 321056), (632, 317500), (635, 316000), (790, 254000), (800, 250825), (1000, 200660), (1016, 197500), (1250, 160528), (1264, 158750), (1270, 158000), (1580, 127000), (1975, 101600), (2000, 100330), (2032, 98750), (2500, 80264), (2528, 79375), (2540, 79000), (3160, 63500), (3175, 63200), (3950, 50800), (4000, 50165), (4064, 49375), (5000, 40132), (5080, 39500), (6320, 31750), (6350, 31600), (7900, 25400), (9875, 20320), (10000, 20066), (10033, 20000), (10160, 19750), (12640, 15875), (12700, 15800)]