1775798900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{2129}}^1$

素因数の和:2601

約数の個数: 72

約数和(自身を含む): 4067448000

約数和(自身を除く): 2291649100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 439, 475, 878, 950, 1756, 1900, 2129, 2195, 4258, 4390, 8341, 8516, 8780, 10645, 10975, 16682, 21290, 21950, 33364, 40451, 41705, 42580, 43900, 53225, 80902, 83410, 106450, 161804, 166820, 202255, 208525, 212900, 404510, 417050, 809020, 834100, 934631, 1011275, 1869262, 2022550, 3738524, 4045100, 4673155, 9346310, 17757989, 18692620, 23365775, 35515978, 46731550, 71031956, 88789945, 93463100, 177579890, 355159780, 443949725, 887899450, 1775798900]

約数ペア:

[(1, 1775798900), (2, 887899450), (4, 443949725), (5, 355159780), (10, 177579890), (19, 93463100), (20, 88789945), (25, 71031956), (38, 46731550), (50, 35515978), (76, 23365775), (95, 18692620), (100, 17757989), (190, 9346310), (380, 4673155), (439, 4045100), (475, 3738524), (878, 2022550), (950, 1869262), (1756, 1011275), (1900, 934631), (2129, 834100), (2195, 809020), (4258, 417050), (4390, 404510), (8341, 212900), (8516, 208525), (8780, 202255), (10645, 166820), (10975, 161804), (16682, 106450), (21290, 83410), (21950, 80902), (33364, 53225), (40451, 43900), (41705, 42580)]