211345000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 507212640

約数和(自身を除く): 295867640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 625, 860, 983, 1000, 1075, 1250, 1720, 1966, 2150, 2500, 3932, 4300, 4915, 5000, 5375, 7864, 8600, 9830, 10750, 19660, 21500, 24575, 26875, 39320, 42269, 43000, 49150, 53750, 84538, 98300, 107500, 122875, 169076, 196600, 211345, 215000, 245750, 338152, 422690, 491500, 614375, 845380, 983000, 1056725, 1228750, 1690760, 2113450, 2457500, 4226900, 4915000, 5283625, 8453800, 10567250, 21134500, 26418125, 42269000, 52836250, 105672500, 211345000]

約数ペア:

[(1, 211345000), (2, 105672500), (4, 52836250), (5, 42269000), (8, 26418125), (10, 21134500), (20, 10567250), (25, 8453800), (40, 5283625), (43, 4915000), (50, 4226900), (86, 2457500), (100, 2113450), (125, 1690760), (172, 1228750), (200, 1056725), (215, 983000), (250, 845380), (344, 614375), (430, 491500), (500, 422690), (625, 338152), (860, 245750), (983, 215000), (1000, 211345), (1075, 196600), (1250, 169076), (1720, 122875), (1966, 107500), (2150, 98300), (2500, 84538), (3932, 53750), (4300, 49150), (4915, 43000), (5000, 42269), (5375, 39320), (7864, 26875), (8600, 24575), (9830, 21500), (10750, 19660)]