129333950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 255750000

約数和(自身を除く): 126416050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 475, 545, 950, 1090, 1249, 2071, 2498, 2725, 4142, 5450, 6245, 10355, 12490, 20710, 23731, 31225, 47462, 51775, 62450, 103550, 118655, 136141, 237310, 272282, 593275, 680705, 1186550, 1361410, 2586679, 3403525, 5173358, 6807050, 12933395, 25866790, 64666975, 129333950]

約数ペア:

[(1, 129333950), (2, 64666975), (5, 25866790), (10, 12933395), (19, 6807050), (25, 5173358), (38, 3403525), (50, 2586679), (95, 1361410), (109, 1186550), (190, 680705), (218, 593275), (475, 272282), (545, 237310), (950, 136141), (1090, 118655), (1249, 103550), (2071, 62450), (2498, 51775), (2725, 47462), (4142, 31225), (5450, 23731), (6245, 20710), (10355, 12490)]