20000350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 40287600

約数和(自身を除く): 20287250

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 185, 190, 370, 475, 569, 703, 925, 950, 1138, 1406, 1850, 2845, 3515, 5690, 7030, 10811, 14225, 17575, 21053, 21622, 28450, 35150, 42106, 54055, 105265, 108110, 210530, 270275, 400007, 526325, 540550, 800014, 1052650, 2000035, 4000070, 10000175, 20000350]

約数ペア:

[(1, 20000350), (2, 10000175), (5, 4000070), (10, 2000035), (19, 1052650), (25, 800014), (37, 540550), (38, 526325), (50, 400007), (74, 270275), (95, 210530), (185, 108110), (190, 105265), (370, 54055), (475, 42106), (569, 35150), (703, 28450), (925, 21622), (950, 21053), (1138, 17575), (1406, 14225), (1850, 10811), (2845, 7030), (3515, 5690)]