28943500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 63921312

約数和(自身を除く): 34977812

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 428, 500, 535, 541, 1070, 1082, 2140, 2164, 2675, 2705, 5350, 5410, 10700, 10820, 13375, 13525, 26750, 27050, 53500, 54100, 57887, 67625, 115774, 135250, 231548, 270500, 289435, 578870, 1157740, 1447175, 2894350, 5788700, 7235875, 14471750, 28943500]

約数ペア:

[(1, 28943500), (2, 14471750), (4, 7235875), (5, 5788700), (10, 2894350), (20, 1447175), (25, 1157740), (50, 578870), (100, 289435), (107, 270500), (125, 231548), (214, 135250), (250, 115774), (428, 67625), (500, 57887), (535, 54100), (541, 53500), (1070, 27050), (1082, 26750), (2140, 13525), (2164, 13375), (2675, 10820), (2705, 10700), (5350, 5410)]