213059500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{4219}}^1$

素因数の和:4339

約数の個数: 48

約数和(自身を含む): 470040480

約数和(自身を除く): 256980980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 4219, 5050, 8438, 10100, 12625, 16876, 21095, 25250, 42190, 50500, 84380, 105475, 210950, 421900, 426119, 527375, 852238, 1054750, 1704476, 2109500, 2130595, 4261190, 8522380, 10652975, 21305950, 42611900, 53264875, 106529750, 213059500]

約数ペア:

[(1, 213059500), (2, 106529750), (4, 53264875), (5, 42611900), (10, 21305950), (20, 10652975), (25, 8522380), (50, 4261190), (100, 2130595), (101, 2109500), (125, 1704476), (202, 1054750), (250, 852238), (404, 527375), (500, 426119), (505, 421900), (1010, 210950), (2020, 105475), (2525, 84380), (4219, 50500), (5050, 42190), (8438, 25250), (10100, 21095), (12625, 16876)]