31038900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 90515040

約数和(自身を除く): 59476140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 471, 628, 659, 785, 942, 1318, 1570, 1884, 1977, 2355, 2636, 3140, 3295, 3925, 3954, 4710, 6590, 7850, 7908, 9420, 9885, 11775, 13180, 15700, 16475, 19770, 23550, 32950, 39540, 47100, 49425, 65900, 98850, 103463, 197700, 206926, 310389, 413852, 517315, 620778, 1034630, 1241556, 1551945, 2069260, 2586575, 3103890, 5173150, 6207780, 7759725, 10346300, 15519450, 31038900]

約数ペア:

[(1, 31038900), (2, 15519450), (3, 10346300), (4, 7759725), (5, 6207780), (6, 5173150), (10, 3103890), (12, 2586575), (15, 2069260), (20, 1551945), (25, 1241556), (30, 1034630), (50, 620778), (60, 517315), (75, 413852), (100, 310389), (150, 206926), (157, 197700), (300, 103463), (314, 98850), (471, 65900), (628, 49425), (659, 47100), (785, 39540), (942, 32950), (1318, 23550), (1570, 19770), (1884, 16475), (1977, 15700), (2355, 13180), (2636, 11775), (3140, 9885), (3295, 9420), (3925, 7908), (3954, 7850), (4710, 6590)]