212911000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{9257}}^1$

素因数の和:9301

約数の個数: 64

約数和(自身を含む): 519929280

約数和(自身を除く): 307018280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 920, 1000, 1150, 2300, 2875, 4600, 5750, 9257, 11500, 18514, 23000, 37028, 46285, 74056, 92570, 185140, 212911, 231425, 370280, 425822, 462850, 851644, 925700, 1064555, 1157125, 1703288, 1851400, 2129110, 2314250, 4258220, 4628500, 5322775, 8516440, 9257000, 10645550, 21291100, 26613875, 42582200, 53227750, 106455500, 212911000]

約数ペア:

[(1, 212911000), (2, 106455500), (4, 53227750), (5, 42582200), (8, 26613875), (10, 21291100), (20, 10645550), (23, 9257000), (25, 8516440), (40, 5322775), (46, 4628500), (50, 4258220), (92, 2314250), (100, 2129110), (115, 1851400), (125, 1703288), (184, 1157125), (200, 1064555), (230, 925700), (250, 851644), (460, 462850), (500, 425822), (575, 370280), (920, 231425), (1000, 212911), (1150, 185140), (2300, 92570), (2875, 74056), (4600, 46285), (5750, 37028), (9257, 23000), (11500, 18514)]