9215950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 18414000

約数和(自身を除く): 9198050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 109, 178, 190, 218, 445, 475, 545, 890, 950, 1090, 1691, 2071, 2225, 2725, 3382, 4142, 4450, 5450, 8455, 9701, 10355, 16910, 19402, 20710, 42275, 48505, 51775, 84550, 97010, 103550, 184319, 242525, 368638, 485050, 921595, 1843190, 4607975, 9215950]

約数ペア:

[(1, 9215950), (2, 4607975), (5, 1843190), (10, 921595), (19, 485050), (25, 368638), (38, 242525), (50, 184319), (89, 103550), (95, 97010), (109, 84550), (178, 51775), (190, 48505), (218, 42275), (445, 20710), (475, 19402), (545, 16910), (890, 10355), (950, 9701), (1090, 8455), (1691, 5450), (2071, 4450), (2225, 4142), (2725, 3382)]