22402500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 68228160

約数和(自身を除く): 45825660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 103, 116, 125, 145, 150, 174, 206, 250, 290, 300, 309, 348, 375, 412, 435, 500, 515, 580, 618, 625, 725, 750, 870, 1030, 1236, 1250, 1450, 1500, 1545, 1740, 1875, 2060, 2175, 2500, 2575, 2900, 2987, 3090, 3625, 3750, 4350, 5150, 5974, 6180, 7250, 7500, 7725, 8700, 8961, 10300, 10875, 11948, 12875, 14500, 14935, 15450, 17922, 18125, 21750, 25750, 29870, 30900, 35844, 36250, 38625, 43500, 44805, 51500, 54375, 59740, 64375, 72500, 74675, 77250, 89610, 108750, 128750, 149350, 154500, 179220, 193125, 217500, 224025, 257500, 298700, 373375, 386250, 448050, 746750, 772500, 896100, 1120125, 1493500, 1866875, 2240250, 3733750, 4480500, 5600625, 7467500, 11201250, 22402500]

約数ペア:

[(1, 22402500), (2, 11201250), (3, 7467500), (4, 5600625), (5, 4480500), (6, 3733750), (10, 2240250), (12, 1866875), (15, 1493500), (20, 1120125), (25, 896100), (29, 772500), (30, 746750), (50, 448050), (58, 386250), (60, 373375), (75, 298700), (87, 257500), (100, 224025), (103, 217500), (116, 193125), (125, 179220), (145, 154500), (150, 149350), (174, 128750), (206, 108750), (250, 89610), (290, 77250), (300, 74675), (309, 72500), (348, 64375), (375, 59740), (412, 54375), (435, 51500), (500, 44805), (515, 43500), (580, 38625), (618, 36250), (625, 35844), (725, 30900), (750, 29870), (870, 25750), (1030, 21750), (1236, 18125), (1250, 17922), (1450, 15450), (1500, 14935), (1545, 14500), (1740, 12875), (1875, 11948), (2060, 10875), (2175, 10300), (2500, 8961), (2575, 8700), (2900, 7725), (2987, 7500), (3090, 7250), (3625, 6180), (3750, 5974), (4350, 5150)]