74983125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 148452480

約数和(自身を除く): 73469355

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 125, 145, 175, 197, 203, 375, 435, 525, 591, 609, 625, 725, 875, 985, 1015, 1379, 1875, 2175, 2625, 2955, 3045, 3625, 4137, 4375, 4925, 5075, 5713, 6895, 10875, 13125, 14775, 15225, 17139, 18125, 20685, 24625, 25375, 28565, 34475, 39991, 54375, 73875, 76125, 85695, 103425, 119973, 123125, 126875, 142825, 172375, 199955, 369375, 380625, 428475, 517125, 599865, 714125, 861875, 999775, 2142375, 2585625, 2999325, 3570625, 4998875, 10711875, 14996625, 24994375, 74983125]

約数ペア:

[(1, 74983125), (3, 24994375), (5, 14996625), (7, 10711875), (15, 4998875), (21, 3570625), (25, 2999325), (29, 2585625), (35, 2142375), (75, 999775), (87, 861875), (105, 714125), (125, 599865), (145, 517125), (175, 428475), (197, 380625), (203, 369375), (375, 199955), (435, 172375), (525, 142825), (591, 126875), (609, 123125), (625, 119973), (725, 103425), (875, 85695), (985, 76125), (1015, 73875), (1379, 54375), (1875, 39991), (2175, 34475), (2625, 28565), (2955, 25375), (3045, 24625), (3625, 20685), (4137, 18125), (4375, 17139), (4925, 15225), (5075, 14775), (5713, 13125), (6895, 10875)]