209853500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{7919}}^1$

素因数の和:7991

約数の個数: 48

約数和(自身を含む): 467026560

約数和(自身を除く): 257173060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1325, 2650, 5300, 6625, 7919, 13250, 15838, 26500, 31676, 39595, 79190, 158380, 197975, 395950, 419707, 791900, 839414, 989875, 1678828, 1979750, 2098535, 3959500, 4197070, 8394140, 10492675, 20985350, 41970700, 52463375, 104926750, 209853500]

約数ペア:

[(1, 209853500), (2, 104926750), (4, 52463375), (5, 41970700), (10, 20985350), (20, 10492675), (25, 8394140), (50, 4197070), (53, 3959500), (100, 2098535), (106, 1979750), (125, 1678828), (212, 989875), (250, 839414), (265, 791900), (500, 419707), (530, 395950), (1060, 197975), (1325, 158380), (2650, 79190), (5300, 39595), (6625, 31676), (7919, 26500), (13250, 15838)]