86071900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 199206000

約数和(自身を除く): 113134100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 356, 380, 445, 475, 509, 890, 950, 1018, 1691, 1780, 1900, 2036, 2225, 2545, 3382, 4450, 5090, 6764, 8455, 8900, 9671, 10180, 12725, 16910, 19342, 25450, 33820, 38684, 42275, 45301, 48355, 50900, 84550, 90602, 96710, 169100, 181204, 193420, 226505, 241775, 453010, 483550, 860719, 906020, 967100, 1132525, 1721438, 2265050, 3442876, 4303595, 4530100, 8607190, 17214380, 21517975, 43035950, 86071900]

約数ペア:

[(1, 86071900), (2, 43035950), (4, 21517975), (5, 17214380), (10, 8607190), (19, 4530100), (20, 4303595), (25, 3442876), (38, 2265050), (50, 1721438), (76, 1132525), (89, 967100), (95, 906020), (100, 860719), (178, 483550), (190, 453010), (356, 241775), (380, 226505), (445, 193420), (475, 181204), (509, 169100), (890, 96710), (950, 90602), (1018, 84550), (1691, 50900), (1780, 48355), (1900, 45301), (2036, 42275), (2225, 38684), (2545, 33820), (3382, 25450), (4450, 19342), (5090, 16910), (6764, 12725), (8455, 10180), (8900, 9671)]