51115900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1555

約数の個数: 72

約数和(自身を含む): 124992000

約数和(自身を除く): 73876100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1499, 1550, 1705, 2998, 3100, 3410, 5996, 6820, 7495, 8525, 14990, 16489, 17050, 29980, 32978, 34100, 37475, 46469, 65956, 74950, 82445, 92938, 149900, 164890, 185876, 232345, 329780, 412225, 464690, 511159, 824450, 929380, 1022318, 1161725, 1648900, 2044636, 2323450, 2555795, 4646900, 5111590, 10223180, 12778975, 25557950, 51115900]

約数ペア:

[(1, 51115900), (2, 25557950), (4, 12778975), (5, 10223180), (10, 5111590), (11, 4646900), (20, 2555795), (22, 2323450), (25, 2044636), (31, 1648900), (44, 1161725), (50, 1022318), (55, 929380), (62, 824450), (100, 511159), (110, 464690), (124, 412225), (155, 329780), (220, 232345), (275, 185876), (310, 164890), (341, 149900), (550, 92938), (620, 82445), (682, 74950), (775, 65956), (1100, 46469), (1364, 37475), (1499, 34100), (1550, 32978), (1705, 29980), (2998, 17050), (3100, 16489), (3410, 14990), (5996, 8525), (6820, 7495)]