164862500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 400013460

約数和(自身を除く): 235150960

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 121, 125, 218, 220, 242, 250, 275, 436, 484, 500, 545, 550, 605, 625, 1090, 1100, 1199, 1210, 1250, 1375, 2180, 2398, 2420, 2500, 2725, 2750, 3025, 3125, 4796, 5450, 5500, 5995, 6050, 6250, 6875, 10900, 11990, 12100, 12500, 13189, 13625, 13750, 15125, 23980, 26378, 27250, 27500, 29975, 30250, 34375, 52756, 54500, 59950, 60500, 65945, 68125, 68750, 75625, 119900, 131890, 136250, 137500, 149875, 151250, 263780, 272500, 299750, 302500, 329725, 340625, 378125, 599500, 659450, 681250, 749375, 756250, 1318900, 1362500, 1498750, 1512500, 1648625, 2997500, 3297250, 3746875, 6594500, 7493750, 8243125, 14987500, 16486250, 32972500, 41215625, 82431250, 164862500]

約数ペア:

[(1, 164862500), (2, 82431250), (4, 41215625), (5, 32972500), (10, 16486250), (11, 14987500), (20, 8243125), (22, 7493750), (25, 6594500), (44, 3746875), (50, 3297250), (55, 2997500), (100, 1648625), (109, 1512500), (110, 1498750), (121, 1362500), (125, 1318900), (218, 756250), (220, 749375), (242, 681250), (250, 659450), (275, 599500), (436, 378125), (484, 340625), (500, 329725), (545, 302500), (550, 299750), (605, 272500), (625, 263780), (1090, 151250), (1100, 149875), (1199, 137500), (1210, 136250), (1250, 131890), (1375, 119900), (2180, 75625), (2398, 68750), (2420, 68125), (2500, 65945), (2725, 60500), (2750, 59950), (3025, 54500), (3125, 52756), (4796, 34375), (5450, 30250), (5500, 29975), (5995, 27500), (6050, 27250), (6250, 26378), (6875, 23980), (10900, 15125), (11990, 13750), (12100, 13625), (12500, 13189)]